10 percent of 9900 can be written as 20 percent * 9900 =
Use the percentage formulae (P% × Y = X) to find out 10% of 9900
P is 10, Y is 9900, so the equation will be 10% × 9900 = X
Percentage calculation with steps:
X = ( 10 * 9900 ) / 100
X = 99000 / 100
X = 990