Question

15 is 30% of what number?

Answer 1

15 is 30% of 50 because
30 × 100 ÷ 15 = 30

Answer 2

If you would like to know 30% of what number is 15, you can calculate this using the following steps:

30% of what number = 15
30% * x = 15
30/100 * x = 15
x = 15 * 100/30
x = 50

Result: 30% of 50 equals to 15.