Judy Is Making Fruit Punch by Mixing Water with Fruit

Multiple Choice

Judy is making fruit punch by mixing water with fruit juice crystals. In order for the fruit punch to taste fruity Judy mixes 2.5 cups of fruit juice crystals with 11 cups of water. The number of cups of water w is proportional to the number of cups of fruit juice crystals c . If Judy has 40 cups of water how many cups of fruit juice crystals should she mix with the water? (Rounded to the nearest tenth)

A) 9.1 cups
B) 0.7 cups
C) 3.6 cups
D) 176 cups
E) 1.5 cups