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17-12-2015
Mathematics

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Alice has $15 more than Barry. Charlene has 5/9 of the amount of Barrys money. If Alixe has x dollars, how much money do they have altogether.

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17-12-2015

Alice has x $ . It means that Barry has (x-15) $ and Charlene has 5/9 * (x-15) $
So they have x + (x-15) + 5/9 * (x-15) $ altogether
x + (x-15) + 5/9 * (x-15) = x + x - 15 + 5x/9 - 25/3 = ² [tex] \frac{5}{9} x[/tex] - 70/3

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