20% of 42 equal to 8.4
Calculation steps:
( 20 ÷ 100 ) x 42 = 8.4
Formula
(20 ÷ 100) x 42 = 8.4
Percent to decimal
20% to decimal is 20 ÷ 100 = 0.2
Multiply decimal with the other number
0.2 x 42 = 8.4
Example