4 percent of 310 can be written as 20 percent * 310 =
Use the percentage formulae (P% × Y = X) to find out 4% of 310
P is 4, Y is 310, so the equation will be 4% × 310 = X
Percentage calculation with steps:
X = ( 4 * 310 ) / 100
X = 1240 / 100
X = 12.4