80 percent of 9 can be written as 20 percent * 9 =
Use the percentage formulae (P% × Y = X) to find out 80% of 9
P is 80, Y is 9, so the equation will be 80% × 9 = X
Percentage calculation with steps:
X = ( 80 * 9 ) / 100
X = 720 / 100
X = 7.2