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受欢迎的 Word Problems >

if 7.1 plus 3.5 times a number equals the sum of the number and 45.9. what is the number

解答

i f 7.1 pl u s 3.5 t im es a n u mb er e q u a l s t h e s u m o f t h e n u mb er an d 45.9. w ha t i s t h e n u mb er

解答

The number : 15 \frac{13}{25}

求解步骤

Represent the number with

x

A.T.Q.:

7.1 + 3.5 x = x + 45.9

求解

x, 7.1 + 3.5 x = x + 45.9 : x = \frac{388}{25}

将假分式转换为带分数:

\frac{388}{25} = 15 \frac{13}{25}

The number : 15 \frac{13}{25}

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