Question

21 is 75% of what number?

Answer 1

We need to find 21 is 75% of what number

Let the number is x

So, 75% of x = 21

So,

`\begin{gathered} (75)/(100)\cdot x=21 \\ \\ x=21\cdot(100)/(75)=28 \end{gathered}`

so, the number will be 28