# 8 is 20% of what number?

Nov 7, 2014

By writing "20% of $x$ is 8" in math notation,

$\frac{20}{100} x = 8$

by dividing the numerator and denominator by $20$,

$\implies \frac{1}{5} x = 8$

by multiply by $5$,

$\implies x = 40$

Hence, 20% of 40 is 8.

I hope that this was helpful.