1 percent of 3900 can be written as 20 percent * 3900 =
Use the percentage formulae (P% × Y = X) to find out 1% of 3900
P is 1, Y is 3900, so the equation will be 1% × 3900 = X
Percentage calculation with steps:
X = ( 1 * 3900 ) / 100
X = 3900 / 100
X = 39