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11-02-2017
Mathematics

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Peter is five times as old as Kristin. In two year's time, Peter will be three times as old as Kristin. How old are they now? (How do you get the answer?)

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April135 April135

11-02-2017

Kristin is 2 and Peter is 10 (2*5) as in 2 years time, Kristin will be 4 and Peter will be 12, and 4 times 3 is 12.

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