samahtorkyp0osth samahtorkyp0osth

09-12-2017
Mathematics

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Bob is three times as old as Mary. Four years from now, Bobwill be only twice as old as Mary. Find their present ages.

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loupickervance loupickervance

09-12-2017

Bob is 12.
Mary is 4.
12+4 = 16.
4+4 = 8.
16/2 = 8.

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