Question

Which portion would you use to solve this problem?

Nine is 4% of what number?

A. 9/x = 40/100

B. 9/x = 4/100

C. 4/9 = x/100

D. X/9 = 4/100

Answer 1

`p\%=(p)/(100)\\\\4\%=(4)/(100)\\\\(9)/(x)=(4)/(100)\to\boxed{B.}`