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3 items are filed under this topic.
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The sum is 43 and the difference is 9 |
2009-03-02 |
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From Teresa:
Hi, My 10yo son came home with this two problems and we can't figure out how to solve them.
1. Find two numbers whose sum is 43 and whose difference is 9 and
2. Find two numbers whose sum is 25 and whose difference is 11..
Many thanks
Teresa
Answered by Robert Dawson, Stephen La Rocque and Harley Weston. |
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Renee, Paulo and Peter |
2001-11-18 |
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From Sue:
Renee is 5 years older than Paulo. she is also 7 years older than Peter. The sum of their ages is 21. How old is each person.
Answered by Penny Nom. |
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The three cousins |
1999-06-01 |
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From Irena:
I have three cousins on my dad's side. The product of their ages is 84. Next year the youngest will be 1/4 the age of the middle cousin. In 2 years from now, the oldest will be twice the current age of the middle. What is the age of my oldest cousin?
Answered by Harley Weston. |
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