Question

The difference of two number is 20% of the larger number. if the smaller number is 12, find the larger one..

Answer 1

Let the two numbers are x and y
y-x=1/5(y)
5y-5x=y
4y=5x

Given smaller number is 12
Substitute in the above equation

4y=5(12)
4y=60
y=15

The larger number is 15