If 6.5 plus 9.5 times a number equals the sum of the number and 43.3, what is the number? Express your answer as a simplified fraction or a decimal rounded to two places.

해법

I f 6.5 pl u s 9.5 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 43.3, w ha t i s t h e n u mb er ? E x p ress yo u r an s w er a s a s im pl i f i e d f r a c t i o n or a d ec ima l ro u n d e d t o tw o pl a ces .

The number : 4 \frac{28}{85}

솔루션 단계

Represent the number with

x

A.T.Q.:

6.5 + 9.5 x = x + 43.3

x

해결 대상

, 6.5 + 9.5 x = x + 43.3 : x = \frac{368}{85}

부적절한 분수를 혼합 숫자로 변환:

\frac{368}{85} = 4 \frac{28}{85}

The number : 4 \frac{28}{85}