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Popular Word Problems >

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

Solution

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

Solution

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

Solution steps

Represent the number with

x

A.T.Q.:

7.1 + 3.5 x = x + 45.9

Solve for

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

Convert improper fractions to mixed numbers:

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

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

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