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20-02-2015
Mathematics

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A student finished 72 of her homework problems in class. If the ratio if problems she finished to problems she still had left was 8:1 , how many homework problems did she have total?

Respuesta :

20-02-2015

Equation:
8/1 = 72/X

72 = 8X

X = 9

She finished 72 problems and has 9 left.

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