9 percent of 1220 can be written as 20 percent * 1220 =
Use the percentage formulae (P% × Y = X) to find out 9% of 1220
P is 9, Y is 1220, so the equation will be 9% × 1220 = X
Percentage calculation with steps:
X = ( 9 * 1220 ) / 100
X = 10980 / 100
X = 109.8