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John, twelve years old, is three times as old as his brother. how old will john be when he is twice as old as his brother

John, twelve years old, is three times as old as his brother. how old will john be when he is twice as old as his brother
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3 votes
John, twelve years old, is three times as old as his brother. how old will john be when he is twice as old as his brother

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User Anniepoo
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1 Answer

3 votes
i believe his brother is 4 at the moment, since 4*3 is 12. in 4 years John will be 16 and his brother will be 8, and 8 is half of 16. so 16?
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User Bernd Linde
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