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受欢迎的 Word Problems >

seven less than the product of two sevenths and a number yields two ninths of that number

解答

se v e n l ess t han t h e p ro d u c t o f tw o se v e n t h s an d a n u mb er y i e l d s tw o nin t h s o f t ha t n u mb er

解答

The number : 110 \frac{1}{4}

求解步骤

Represent the number with

x

A.T.Q.:

\frac{2}{7} x - 7 = \frac{2}{9} x

求解

x, \frac{2}{7} x - 7 = \frac{2}{9} x : x = \frac{441}{4}

将假分式转换为带分数:

\frac{441}{4} = 110 \frac{1}{4}

The number : 110 \frac{1}{4}

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