The average cost of items at a candy store is 90 cents. If 10 percent of the items cost 65 cents and 40 percent cost 85 cents, what is the average cost of the remaining items in cents?
A. 80
B. 84
C. 92
D. 99
Choose 100 for the number of items in the store. Then, 90 x 100 = 9000 65 x 10 = 650 85 x 40 = 3400 Average = (9000-650-3400)/(100-10-40) = 99