Question

31 is what percent of 155?

Answer 1

`31` is `20%` of `155`

Explanation:

Let `31` be `x %` of `155` then we have

`31=x/100\times 155`

`155x=3100`

`x=\frac{3100}{155}`

`=20`

hence `31` is `20%` of `155`