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07-09-2017
Mathematics

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Sarah is twice as old as her youngest brother. If the difference between their ages is 15 years, how old is her youngest brother?

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xcamayaxc xcamayaxc

07-09-2017

If the difference between their ages is 15 years....
2x - x = 15
x = 15 years old. 15 years old is the age of the youngest brother

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