Eisha is making trail mix. The ratio of raisins to granola in the mix is 2 to 5. If Eisha adds 4 cups of raisins to her trail mix, how many cups of granola should she add?
A 5 cups C 10 cups
B 7 cups D 20 cups
A 5 cups C 10 cups
B 7 cups D 20 cups