SOLUTION: If sally is 10 years older than Mike and Mike is 7 years older than Charlie and Sally is twice as old as Charlie. How old is sally?

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Question 1094108: If sally is 10 years older than Mike and Mike is 7 years older than Charlie and Sally is twice as old as Charlie. How old is sally?
Answer by ikleyn(52776) About Me  (Show Source):
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Answer. Sally is 34 years old.