A certain grocery purchased x pounds of produce for p dollars per pound. If y pounds of the produce had to be discarded due to spoilage and the grocery sold the rest for s dollars per pound, which of the following represents the gross profit on the sale of the produce?
(A) (x- y)s - xp
(B) (x- y)p- ys
(C) (s - p)y - xp
(D) xp - ys
(E) (x- y)(s- p)
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发表于 2017-12-27 20:05:06
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楼主
我曹，做了一天题，有点疯，一时转不过弯，谢谢各位指导了