Question

Four Fifth of a number is equal to the three fourth of the number increased by $4$. Find the number.

Answer 1

Let the number be $x$.

Then according to the problem we get,

$\frac{4x}{5}=\frac{3x}{4}+4$

$\Rightarrow \frac{x}{20}=4$

$\Rightarrow x=80$.

So the number is $80$.