Question

If 3/5 of a number is 6 less than 15, the number is

a. 15
b. 45
c. 30
d. 50

(Explanation would be appreciated)

Answer 1

In numeric terms, our equation is:

3/5n (3/5 of a number)

= (is)

15-6 (6 less than 15)

`(3)/(5)n=15-6`

Firstly, solve the subtraction:
`(3)/(5)n=9`

Next, multiply both sides by 5/3 and your answer will be
`n=15` , or A.