9 percent of 128 can be written as 20 percent * 128 =
Use the percentage formulae (P% × Y = X) to find out 9% of 128
P is 9, Y is 128, so the equation will be 9% × 128 = X
Percentage calculation with steps:
X = ( 9 * 128 ) / 100
X = 1152 / 100
X = 11.52