Chandra needs to make 3 gallons of punch. The table shows the amount of each ingredient needed for 1 recipe.

Punch Recipe
Orange juice 3 cups
Pineapple juice 2 cups
Frozen grapes 1 cup


How many cups of frozen grapes does she need?

A.
2 cups

B.
3 cups

C.
5 cups

D.
8 cups