Question

If 42% of a number Nis 8.4, what is the value of N?
O 10
O 20
O 24
O 32

Answer 1

20

Explanation:

Of means multiply and is means equals

42% * N = 8.4

.42 N = 8.4

Divide each side by .42

N = 8.4/.42

N =20

Answer 2

Explanation:

Let the number be 'x'

42% of x = 8.4

`(42)/(100)*x=8.4\\\\x=8.4*(100)/(42)\\\\x=(840)/(42)\\\\x= 20`