SOLUTION: Alvin is now 4 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 1131827: Alvin is now 4 times as old as benjamin. Five years ago, the sum of their ages was 45 years. How old is each now?
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
A = 4B
A-5 + B-5 = 45
A + B = 55
4B + B = 55
5B = 55
B = 11
Benjamin is 11 and Alvin is 4 times as old, 11 x 4 = 44