Question

Cheryl mixed a 32 cup batch of orange juice and pineapple juice using a ratio of 3 cups of orange juice to 5 cups of pineapple juice. How many cups of orange juice did she use?

Answer 1

12 cups.

If she made 4 batches then it would be 12 cups of orange, and 20 cups of pineapple which adds to 32.