Discussion Forum

The difference of two numbers is 20% of the larger number. If the smaller number is 12, the larger one is :

Answer:

Explanation:

Let the number be $x$.
Then, $x-12=20%$ of $x$
$\Leftrightarrow \frac{4x}{5}=12$
$\Leftrightarrow x = \left(\frac{12 \times 5}{4}\right)=15$.