問題詳情

29. Suppose the total cost of producing T-shirts can be represented as TC = 50 +2q. The average cost of the 5th T-shirt is.
(A) 2.
(B)12.
(C)52.
(D) 60.

參考答案

答案:[無官方正解]
難度:計算中-1
書單:沒有書單,新增