题目详情

某工厂生产甲、乙两种产品,生产1公斤甲产品需要煤9公斤、电4度、油3公斤,生产1公斤乙产品需要煤4公斤、电5度、油10公斤。该工厂现有煤360公斤、电200度、油300公斤。已知甲产品每公斤利润为7千元,乙产品每公斤利润为1.2万元,为了获取最大利润应该生产甲产品(请作答此空)公斤,乙产品( )公斤。

  • A.20
  • B.21
  • C.22
  • D.23

正确答案及解析

正确答案
A
解析

设x1为甲产品生产量,x2为乙产品生产量。对该问题求解最优方案可以由下列数学模型描述:max z=7x1+12x29x1+4x2≤3604x1+5x2≤2003x1+10x2≤300x1≥0,x2≥0求解得x1=20,x2=24。

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