300
Bob has 4 servings of fruit, Sally has 9 serving of fruit, Kelly has 6 servings of fruit, and Lisa has 7 servings of fruit. Which expression could be used to find how many servings of fruit they have altogether?
A. 4 x 9 x 6 x 7 = ____
B. 9 - 7 - 6 - 4 = ____
C. 4 + 9 + 6 + 7 = ____
D. 4 x 9 - 6 + 7 = ____
C. 4 + 9 + 6 + 7 = ____