







Converting ml to g 
20160428 

From Lerato: I would like to know which formula should I use to convert ml to g? Answered by Penny Nom. 





Percentages in a mixture 
20141002 

From viola: Hi there
can you help me convert the below so it makes 100% (individual %)
400 gr =
100 gr =
50 gr =
50 gr =
20 gr =
2 gr =
1 gr =
1 gr =
Be great to hear back from you
Thank you
V Answered by Penny Nom. 





How many students have neither brown hair or hazel eyes? 
20130120 

From Julie: There are 28 students in a class. 15 have brown hair, 17 have hazel eyes, and 10 have both. How many students have neither brown hair or hazel eyes? Answered by Penny Nom. 





Converting kilograms to cubic metres 
20100716 

From Ilai: I want to convert kg to cubic metre Answered by Penny Nom. 





Pyramids and parallelograms 
20100401 

From Vivi: Hi, my name is Vivi, and math teacher is giving a geometry test. I tend to forget how to find the surface area and volume of triangular pyramids and parallelograms. Do you have a way of remembering how to find the surface area? Answered by Harley Weston. 





Conditional probability 
20100326 

From Sandy: In a certain school, it is known that 80% of the students use the internet for school projects, 60% use email on a regular basis, and 90% use the internet for school projects or for email on a regular basis. A student from this school is selected at random
Determine the probability that the student used email, given that the student used the internet for school projects.
Sandy Answered by Penny Nom. 





I want to convert my glaze percents into grams 
20100205 

From linda: I am a potter. I want to convert my glaze percents into grams.
ex. 20% of 20 lbs would equal how many grams?
is there a formula to figure this? Answered by Penny Nom. 





Grams per square meter 
20090930 

From MANISH: how to calculate gsm given kg of 144 sheets and size in inches
example 28" x 22" & 16.3 kgs = ?gsm (of 144 sheets) Answered by Penny Nom. 





Grams to percent 
20090920 

From brandy: how do you convert 1.5 grams to a percent Answered by Stephen La Rocque. 





Cubic feet gas to grams of gas 
20090211 

From tim: I was trying to convert cubic feet gas to grams of gas. Is there a formula to complete this task? Answered by Robert Dawson. 





Converting grams to milliliters 
20090104 

From Faiza: I was looking for how to convert grams into mL and I read on this site
to convert one to the other you need to know what substance you are measuring.
so if I am measuring sugar or any of the baking ingredient like flour how do
I convert them from grams to mL is there a simple method I can use to do that? Answered by Penny Nom. 





650g+2kg+195g=how many kg 
20081211 

From christian: 650g+2kg+195g=how many kg Answered by Penny. 





How many ml are in 40 grams? 
20080909 

From Nancy: I need to know how many ml are in 40 grams. So what is the base 1ml= how may grams Answered by Harley Weston. 





A hexagon has 3 parallelograms 
20080721 

From Stephanie: A hexagon has 3 parallelograms but I am unsure of how to cut a hexagon into 3 parallelograms. Can you show me what this would look like? Answered by Harley Weston. 





How many pounds in 300 grams? 
20080624 

From Renelda: How many pounds in 300 grams? Can you send the formula? Thanks Answered by Penny Nom. 





All wiffs are miffs and all miffs are kiffs. 
20080608 

From Allison: All wiffs are miffs. all miffs are kiffs. There are 25 wiffs. There are 76 kiffs. 33 kiffs are not miffs. How many miffs are not wiffs? Answered by Penny Nom. 





Ounces and grams 
20080402 

From Rakesh: 7.2 oz per sq. yard equals ? __ grams per sq. meter
How I can measure the weight of a Jeans fabric (in oz)? And what is the rellation between grams and oz? Answered by Penny Nom. 





Converting grams of hair spray into milliliters 
20071202 

From komal: I am confused that i am converting 75grams of hair spray ( liquid) into ML? but i couldnt get the answer what is perfect answer for that please help me for this thing. Answered by Penny Nom. 





How do i convert milliliters to grams for water and also for copper sulfate (CuSO4)? 
20071111 

From jenn: how do i convert milliliters to grams for
water and also for copper sulfate (CuSO4)? Answered by Harley Weston. 





What was the water level in the cylinder? 
20070911 

From glen: After a 5.63g sample of Wood's metal has been added to the water in a 10mL graduated cylinder, the new water level is 8.7mL. What was the water level in the cylinder before the sample was added? Answered by Stephen la Rocque. 





Which is more, 1.25 grams or 4.7 ml? 
20070822 

From jenni: Which is more? 1.25 grams or 4.7 ml Answered by Penny Nom. 





65 grams =_____?mg 
20070822 

From Quan: 65 grams = _____?mg Answered by Penny Nom. 





Converting yogurt 
20070521 

From Annie: I'm trying to follow a diet plan. The diet says I should have a 125ml tub of natural low fat bio yogurt. The only problem is, the yogurt pot lists its weight as 150g (with a large 'e' after it). Can you tell me how much of the yogurt pot I'm suppost to have please, or give me a conversion chart to change from g to ml for natural bio yogurt? Answered by Stephen La Rocque. 





Converting mass and volume of water 
20070510 

From Shian: Hello please help, I just can't seem to get the convertion thing and my mom tried to help but I still don't get it. How many grams does 1 milliliter of water weight? I was told 1g. How many grams does 0.1 liter of water weight? I was told 0.1g. Can you tell me if the answers given are correct with an explaination that I can understand? Thank you. Answered by Stephen La Rocque. 





Grams to millilitres 
20070302 

From anton: I am trying to convert 28 grams of weight loss powder into mils Answered by Gabriel Potter. 





Grams/milliliters 
20070219 

From Keshia: If there are 27 grams of sugar in 240 mililiters, How many grams are in 100 mililiters? I have been trying to figure this question out for about an hour and I cannot seem to get it. Thank you for your help. Answered by Chris Fisher and Haley Ess. 





Centimeters to cubic meters and grams to kilograms 
20070214 

From Colleen: A box of balls measures 120cm by 20cm by 20cm and weighs 48 g. One thousand boxes = x cubic meters and weighs x kilograms. Also, one million boxes = x cubic metes and weighs x kilograms. One billion boxes = x cubic meters and weighs x kilograms. Solve for x. Answered by Stephen La Rocque. 





How many grams are in a 12 ounce coconut? 
20070208 

From Tristan: I have a problem where I need to know how many grams are in a 12 ounce coconut. Do I use "dry measure" with figuring out how many grams are in a ounce? And is that about 28 grams? Thanks. Answered by Penny Nom. 





Grams and mls 
20070126 

From Larissa: Is there a formula to convert grams to mls..? Answered by Stephen La Rocque. 





mls and grams 
20070119 

From JJ: If I have a 2000litre pool and need to put 2mg of chlorine per litre, how many mls do I need to add? Answered by Penny Nom. 





I want to convert milliliters into grams. 
20061214 

From Kenchotenzin : I want to convert milliliters into grams. Answered by Penny Nom. 





ml to grams 
20061111 

From Lisa: We have 900mL and you have to multiply by 1.18 grams do you just multiply and get 1062 grams or am I missing a step? Answered by Stephen La Rocque. 





Grams and milliliters 
20060727 

From Poh: We would like to know the conversion of 1 gm of cream/powder to ml. Answered by Stephen La Rocque and Penny Nom. 





Ounces of water to grams 
20060716 

From Liza: How many grams is in 10 ounces? I'm asking this question because i just bought a sea monkey and it says add 10 ounces of water and I don't know what that means. I have asked my parents but neither of them know. Answered by Stephen La Rocque. 





Brokenline graphs and histograms 
20060216 

From George:
1. What is the main difference between a brokenline graph and a histogram? Both represent continuous variables.
2. What is the correct way to read a multiplication array: xaxis first and then yaxis, other way around or it doesn't matter?
Answered by Penny Nom. 





Milliliters to grams 
20051229 

From Kaitlyn: If I'm using baking soda, how do I convert milliliters to grams? Answered by Harley Weston. 





Converting from grams to milliliters 
20050915 

From A student: What if you don't know the liquid that you are converting from grams to milliliters? Answered by Penny Nom. 





Grams per liter 
20050220 

From A student: A litre and a half of water has 0.045 grams of herbicide added for spraying roses. How many grams of herbicide per litre is this? Answered by Penny Nom. 





Conversion of a recipe 
20050206 

From Peg:
A Hungarian friend gave me an old, old family recipe and it calls for:
20 dg. sugar
15 dg. filbert
I can't find a conversion table anywhere that explains how to get ounces from "dg." Do you know what the equivalent would be in ounces of dry measurement?
Answered by Harley Weston. 





1/4 tsp salt = ??? grams 
20041116 

From Julie: if i have 1/4 teaspoon of salt how many grams does that equal Answered by Penny Nom. 





Grams to milliliters 
20040925 

From Emily: I am trying to convert 19.5g into mL assuming that it's water; density=1g/mL. I don't know where to begin. Answered by Penny Nom. 





A new baby 
20040314 

From Jessica: I just had a baby 3weeks ago, he is in the hospital and he can come home when he is 1800 grams, well i was wondering how many pounds that is? Answered by Penny Nom. 





Grams and Milliliters 
20040217 

From Chantal: We have to do a "thing", and I need to convert grams into mililitres (g into mL). how can I do this? Answered by Penny Nom. 





Can a square be a rhombus? 
20030304 

From Beth: Can a square be a rhombus? Some sources say yes, some say no. Some sources define a rhombus as a quadrilateral and parallelogram with equal sides, but without right angles. Some sources say a square is a special case of a rhombus. Clarity, please! Answered by Walter Whiteley. 





Can a square be considered a rectangle? 
20030227 

From Carla:
Can a square be considered a rectangle? (since opposite sides are same length and parallel) Would a regular hexagon or octagon be considered a parallelogram since its opposite sides are parallel? or does a parallelogram HAVE to have only 4 sides? Answered by Penny Nom. 





Tree diagrams 
20021012 

From Denean:
 For lunch, students can choose juice or milk; hamburger or pizza; and a banana or apple. How many lunch combinations can the students make?
 In an experiment, Monty can use paper towels or cloth. He can choose red, green, or yellow food coloring. How many combinations are there?
Answered by Penny Nom. 





Parallelograms 
20020821 

From Moorthy: 11 parallel lines are intersected by another 9 parallel lines.Then how many parallelograms are formed? Answered by Walter Whiteley. 





Conversion of units 
20020429 

From Matt: I am having trouble finding a workable equation for the following problem, particularly the conversion of two systems of measurement. The question states that there are 27 grams of salt in a kilogram of seawater. And it asks how many tonnes (1 tonne = 1000 kilograms) of salt are there in one cubic kilometer of ocean. It also says that the density of seawater is 1.1 g/cm3. What is the equation and how do I figure out how many kilograms there are in a cubic kilometre? Answered by Harley Weston. 





A health club 
20011125 

From Maria: A health club with a membership of 650 people operates a running track and an indoor swimming pool. A survey of the membership indicates that 68% use the running track, 44% use the swimming pool, and 8% use neither. If a member is chosen at random, what is the prbability that the member uses: a) Both the track and the pool? b) Only the track? Answered by Penny Nom. 





Applied geometry 
20011102 

From Jenny: Where can I find some handson activities for my Applied Geometry classes? I want to do more activities with them that allow us to get out of the classroom. However, I want to use activities that use only inexpensive equipment because I usually buy the equipment myself. Answered by Walter Whiteley. 





Milliters and grams 
20010920 

From Bettyjo: 500 ml is what in grams Answered by Pnny Nom. 





300 pounds 
20010912 

From Cassie: HOW MANY KILOS IS IN 300 POUNDS? Answered by Penny Nom. 





Derfs, Enajs and Sivads 
20010107 

From John and Norman: All Derfs are Enajs. Onethird of all Enajs are Derfs. Half of all Sivads are Enajs. One Sivad is a Derf. Eight Sivads are Enajs. The number of Enajs is 90. How many Enajs are neither Derf nor Sivad? Answered by Penny Nom. 





How many grams are in 1 ounce? 
20000404 

From Kathy G: How many grams are in 1 ounce? Answered by Penny Nom. 





Congruent parts of congruent figures 
20000310 

From Erica: Yesterday, I recieved a test problem asking to prove two line segments equal. Here is the problem as I was given it: Given: paralleogram ABCD AE is perpendicular to DB CF is perpendicular to DB Prove: AE is equal to CF I answered the problem as follows: . . . Answered by Walter Whiteley. 





100% on two tests 
20000201 

From Craig and Chelsea Bruzzone: A class of 35 students took a math test and a science test. 12 students got 100% on the math test. 9 students got 100% on the science test. There were 19 students who made less than 100% on both tests. How many students made 100% on both tests? Answered by Penny Nom. 





Bar graphs and histograms 
20000111 

From Raeluck: What is the difference between a bar graph and a histogram? Answered by Harley Weston. 





Tangrams 
19980224 

From Allison: Do you know the story behind the tangram? I know that it is a Chinese puzzle about 200 years old. If there is a story about its creation, I would love to share it with my 7th graders. Thanks. Answered by Diane Hanson and Penny Nom. 

