Question

What percent of 40 is 28?

Answer 1

`70%`

Explanation:

We consider the percent as `x`. Hence:

`40xxx/100=28`

`4cancel0xxx/(10cancel0)=28`

Multiply both sides by `10/4`.

`x=28xx10/4`

`x=7cancel28xx10/(1cancel4)`

`x=70`