Answers

2015-01-06T19:50:02+08:00
Answer. Kevin is 7 years old now.

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how did yo solve?
If Kevin's present age is 7 years, then Margaret is 7-3=4 years old now. Next year Margaret will be 4 years old, while Kevin will be 8 years old, which means that next year Kevin will be 2 times as old as Margaret.