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Popular Word Problems >

if 2/3 of a number is-21 find the number

Solução

i f \frac{2}{3} o f a n u mb er i s - 21 f in d t h e n u mb er

Solução

The number : - 31 \frac{1}{2}

Passos da solução

Represent the number with

x

A.T.Q.:

\frac{2}{3} x = - 21

Resolver para

x, \frac{2}{3} x = - 21 : x = - \frac{63}{2}

Converter as frações impróprias em números mistos:

\frac{63}{2} = 31 \frac{1}{2}

The number : - 31 \frac{1}{2}

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