SOLUTION: Pete is twice as old as Mary. 7 years ago the sum of their ages was 31. Find their ages
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Question 1147791: Pete is twice as old as Mary. 7 years ago the sum of their ages was 31. Find their ages
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Mary's age now
= Pete's age now
-------------------------------------
and
------------------
Mary is 15
Pete is 30
-----------------
Check:
7 yrs ago the sum of their ages was:
OK
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