The cookie recipe called for raisins and nuts in the ratio of 3 to 2. If one cup of nuts was called for how many cups of raisins were needed?

1.5 cups of raisins were needed.

Step-by-step explanation:

I am going to solve this question using a rule of three.

The cookie recipe called for raisins and nuts in the ratio of 3 to 2.

This means that for three cups of raisins, two cups of nuts are needed.

If one cup of nuts was called for how many cups of raisins were needed?

3 cups of raisins - 2 cups of nuts

x cups of raising - 1 cup of nuts

1.5 cups of raisins were needed.