3 percent of 420 can be written as 20 percent * 420 =
Use the percentage formulae (P% × Y = X) to find out 3% of 420
P is 3, Y is 420, so the equation will be 3% × 420 = X
Percentage calculation with steps:
X = ( 3 * 420 ) / 100
X = 1260 / 100
X = 12.6