Question

One third of a number is four more than one fifth of the number. Find the number.

Answer 1

24

Explanation:

if the unknown number is x:

1/3x=1/5x+4

subtract 1/6x on each side

1/6x=4

divided by 1/6x on each side

x=4 divided by 1/6

4/1/6=24

x=24