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Popular Word Problems >

The sum of a number, 1/6 of that number, 2 1/2 of that number, and 7 is 12 1/2.

Solução

T h e s u m o f a n u mb er, 1/6 o f t ha t n u mb er, 2 1/2 o f t ha t n u mb er, an d 7 i s 12 1/2.

Solução

The number : 1 \frac{1}{2}

Passos da solução

Represent the number with

x

A.T.Q.:

x + \frac{1}{6} x + \frac{5}{2} x + 7 = \frac{25}{2}

Resolver para

x, x + \frac{1}{6} x + \frac{5}{2} x + 7 = \frac{25}{2} : x = \frac{3}{2}

Converter as frações impróprias em números mistos:

\frac{3}{2} = 1 \frac{1}{2}

The number : 1 \frac{1}{2}

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