SOLUTION: This year,Peter’ age is 9 of his grandfather.This will become 10 after 7 years.Find the different in their ages

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Question 1097565: This year,Peter’ age is 9 of his grandfather.This will become 10 after 7 years.Find the different in their ages
Answer by ikleyn(52858)   (Show Source): You can put this solution on YOUR website!
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