31 is 20% of 155
Calculation steps:
31 ÷ ( 20 ÷ 100 ) = 155
Formula
31 ÷ ( 20 ÷ 100 )
Percent to decimal
20 ÷ 100 = 0.2
31 ÷ 0.2 = 155 So 31 is 20% of 155
Example