SOLUTION: Sarah is 1/3 as old as Donald. In 1 year, Sarah's age will be 3 years less than 1/2 of Donald's age. How old are Sarah and Donald now?

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Question 1079529: Sarah is 1/3 as old as Donald. In 1 year, Sarah's age will be 3 years less than 1/2 of Donald's age. How old are Sarah and Donald now?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
system%28s=d%2F3%2Cs%2B1=%28d%2B1%29%2F2-3%29


d=21, Donald
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s=7, Sarah




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check
7%2B1=%2821%2B1%29%2F2-3
8=22%2F2-3
8=11-3=8