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Phổ biến Word Problems >

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

Lời Giải

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

Lời Giải

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

Các bước giải pháp

Represent the number with

x

A.T.Q.:

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

Giải

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

Chuyển phân số không thực sự thành hỗn số:

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

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

Ví dụ phổ biến

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