## Puzzle Archive |
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Alice and Ben's ages add up to 91. Alice is three times as old as Ben was when Alice was twice as old as Ben is now. What are their ages?
Scroll down the page for the answer.
Let Alice'a age be
Now take yourself back, say, At this time 'Alice is [now] three times as old as Ben was...' and Alice was [then] 'twice as old as Ben is now'. So You can eliminate 4 Using this and the original equation, we get Visit the puzzle archive for more puzzles and their solutions. |
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