Question

50 is 40% of what number

Answer 1

50 is 40% of 125

Convert your percentage into a decimal:
$40 \div 100 = 0.4$

Divide 50 by your decimal:
$50 \div 0.4 = 125$

Answer 2

50 / 0.40 = 125

To check your answer, 125 * 0.4 = 50