Question

If 40% of a given number is 8, then what is 15% of the given number?

Answer 1

40% of a given number is 8...
0.40x = 8
x = 8 / 0.40
x = 20....so 20 is the given number

what is 15% of 20...
0.15(20) = 3 <==== ur answer