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Популярное Word Problems >

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

Решение

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

Решение

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

Шаги решения

Represent the number with

x

A.T.Q.:

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

Решите для

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

Преобразуйте неправильные дроби в смешанные числа:

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

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

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