Question

How do you solve `\frac { x } { 12.6} = \frac { 45} { 63}`?

Answer 1

`x=9`

Explanation:

`x/12.6=45/63`

Multiply both sides by `12.6`.

`x/12.6xx12.6=45/63xx12.6`

`x/(1cancel12.6)xx1cancel12.6=45/(1cancel63)xx0.2cancel12.6`

`x=45xx0.2`

`x=9`