Kim purchased white vases, red vases, and flowers to create centerpieces for an event. The flowers cost a total of $330 and each
vase cost $8. If w and r represent the number of white and red vases purchased, respectively, which of the following expressions
represents the total cost of the centerpieces?
+
+
+
I. 8w + 8 + 330
II. 8(w + + 330)
III. 8W + n) + 330
IV. 8w + 7 + 330
A.
I, II, and III only
B.
I only
C.
I and III only
D.
II and IV only