SOLUTION: John is 7 years older than his sister Mary Grace. In 10 years John will be 27 years less than twice Mary Grace’s age in ten years. How old are they now
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Question 1169448: John is 7 years older than his sister Mary Grace. In 10 years John will be 27 years less than twice Mary Grace’s age in ten years. How old are they now? Answer by josgarithmetic(39617) (Show Source):
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