1 percent of 40 can be written as 20 percent * 40 =
Use the percentage formulae (P% × Y = X) to find out 1% of 40
P is 1, Y is 40, so the equation will be 1% × 40 = X
Percentage calculation with steps:
X = ( 1 * 40 ) / 100
X = 40 / 100
X = 0.4