







The sum of the reciprocals 
20081021 

From garry: the sum of two different positive numbers is 75 while the product
of the same two numbers is 25. Fine the sum of the reciprocals of these
two numbers Answered by Penny Nom. 





Reciprocals 
20080922 

From Josina: What is the reciprocal of 1.8 and also send me the working of the answer Answered by Penny Nom. 





Two problems involving reciprocals 
20080810 

From Dee: I have a few questions that im have trouble working out...
1. One number is three times another number; if each is increased by 1 the sum of the reciprocals is 10/21. Find the numbers
2.A tank can be filled by 2 pipes together in 6 hours; if the larger pipe alone takes 5 hours less than the smaller to fill the tank, find the time in which each pipe alone would fill the tank Answered by Penny Nom. 





What is the relationship between 0/6, 2/4, 4/2, 6/0? 
20080117 

From Olugbenga: What is the relationship between 0/6, 2/4, 4/2, 6/0? Answered by Penny Nom. 





What is the sum of the reciprocals? 
20071121 

From anya: the sum of two numbers is 32, and the product of these 2 numbers is 48. what i sthe sum of the reciprocals of the 2 numbers? Express answer as a common fraction Answered by Penny Nom. 





Terminology 
20030831 

From Maria: My daughter Veronica is a rising 6th grader and has to complete some Summer Math assignments and would like to ask you three questions:  ___________ are number pairs that have a product of 1.
 You can name any point on a plane with two numbers. These two numbers are called _____________.
 A _______________ is the size of a cube that is exactly 1 inch on each edge.
Thanks, Answered by Penny Nom. 

