Sarah used 1/6

Question

of a bottle of shampoo on her dog Sam, and 1/3
of what was left on her dog Fred. How much of the bottle of shampoo did she use on Fred?
Responses

A 1/6

B 1/3

C 5/18

D 1/9

Answer 1

C 5/18

Answer 2

how

Answer 3

Initially, Sarah used 1/6 of the shampoo bottle on her dog Sam, which means there were 5/6 of the shampoo left.

Then, she used 1/3 of what was left on her dog Fred. So, she used:

1/3 * 5/6 = 5/18

of the bottle of shampoo on Fred. Therefore, the answer is C) 5/18.