SOLUTION: Alvin is now four times as old as Benjamin. Five years ago, the sum of their ages was 45 years. How old is each now?
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Question 489767: Alvin is now four times as old as Benjamin. Five years ago, the sum of their ages was 45 years. How old is each now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Alvin's age now
Let = Ben's age now
given:
By substitution:
and, since
Alvin is 44 now
Ben is 11 now
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