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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asked Aug 26, 2018 34.8k views

1 Answer

Bernd Linde · Answer 1 · 2018-08-31T17:14:59+0000

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?