Dana has 9 CDS. She has 1/5 as many as Sonya. How many CDS does she have?

Answer 1

Let's use the variable s to represent the number of CDs that Sonya has.

Then since Dana has 1/5 that amount Sonya has, we can write the following equation and solve it for s:

1 s = 9

5

Multiply both sides of the equation by 5 to solve:

5 * 1 s = 9* 5

5

s = 45

Sonya has 45 CDs.