SOLUTION: Kevin is two times as old as Bob. Two years ago the sum of their ages was 17. How old is each now?

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Question 1095164: Kevin is two times as old as Bob. Two years ago the sum of their ages was 17. How old is each now?
Answer by ikleyn(52814) About Me  (Show Source):
You can put this solution on YOUR website!
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MENTAL solution:


1.  "Two years ago the sum of their ages was 17."  ====>  the sum of their ages now is 17+4 = 21.



2.  "Kevin is two times as old as Bob. " and the sum of their ages now is 21  ====>  Kevin is 14 years old; Bob is 7 years old.

Solved.