Question

Casey has a total of 18 pens. Twelve of these pens are blue, and the rest are red.

​What is the ratio of blue pens to red pens?

Answer 1

3 : 1

Explanation:

18 : 6

simplified ratio is

3 : 1

Answer 2

Answer: For every 12 blue pens, she has 6 red pens 12:6

Simplifying this would be: 2:1