When a company places a wholesale order on coffee cups with the company logo, they pay $692 for 80 cups. When Phil wants to buy just one such cup, it costs him $12.50. How much above the wholesale price per cup is he paying?
-
A$0.55
-
B$3.85
-
C$7.35
-
D$10.65
-
E$14.25
显示答案
正确答案: B