某工厂可以生产A、B两种产品，各种资源的可供量、生产每种产品所消耗的资源数量及产生的单位利润见下表。A、B两种产品的产量为（ ）时利润最大。
- A.A=3 5，B=1 5
- B.A=1 5，B=3 5
- C.A=2 5，B=2 5
- D.A=3 0，B=2 0
正确答案及解析
正确答案
解析
设A为X，B为Y，计算方程如下：(1)5X+3Y＜=200;(2)1X+1Y＜=50; (3)3X+5Y＜=220;利润=4x+3y;解方程得出答案为C。
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