SOLUTION: Joe is 10 years older than Bob. In 10 years Bob will be 3/4 as old as Joe. Find their present ages.
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Question 674496: Joe is 10 years older than Bob. In 10 years Bob will be 3/4 as old as Joe. Find their present ages.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Bob's age now
= Joe's age now
= Bob's age in 10 years
= Joe's age in 10 years
-----------------
Bob is 20 and Joe is 30
check:
In 10 years Bob will be 30
In 10 years Joe will be 40
Bob will be 3/4 of 40 which is 30
OK
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