42 percent of 51 can be written as 20 percent * 51 =
Use the percentage formulae (P% × Y = X) to find out 42% of 51
P is 42, Y is 51, so the equation will be 42% × 51 = X
Percentage calculation with steps:
X = ( 42 * 51 ) / 100
X = 2142 / 100
X = 21.42