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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?
in Mathematics by Diamond (62,428 points) | 128 views

1 Answer

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Best answer
Let Sarah's age be x

Then her brother's age will be x/2

Therefore x - x/2 = 15, solving the equation:

                 2x - x = 30

                   x = 30

Hence Sarah is 30 years old and her brother is 15 years old.
by Diamond (42,470 points)

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