Question

4/5 of a number is 20 more than 2/3 of the number. Find the number.

Answer 1

150.

Explanation:

Let the number be x, then:

4/5x = 2/3x + 20

4/5x - 2/3x = 20

12/15 x - 10/15 x = 20

2/15 x = 20

x = 20 / 2/15

= 20 * 15 / 2

= 150.