Question

Thirty percent of which number is the 150?

Answer 1

100-30=70
150*70=10500
therefore,30percent of 10500 is 150

Answer 2

Let the required no.. Be x

30%of x =150
30/100*x=150
3/10*x=150
x=150*10/3
x=50*10
x=500

Thus 30%of 500 is 150