Problema Solution
Three roommates went shopping for a television. At the first store, a 22-inch television cost $309.54. At the
second store, the same TV cost $277.48. The third store they went to had the same TV priced at $315.45, but it
was on sale at 7% off. What is the average cost of the television?
Answer provided by our tutors
(1/3)(309.54 + 277.48 + 0.93*315.45) = $293.46
The average cost of the television is $293.46.