## (solution) On their farm, the Friendly family grows apples that they harvest each fall and make into three

On their farm, the Friendly family grows apples that they harvest each fall and make into three products—apple butter, applesauce, and apple jelly. They sell these three items at several lo- cal grocery stores, at craft fairs in the region, and at their own Friendly Farm Pumpkin Festi- val for 2 weeks in October. Their three primary resources are cooking time in their kitchen, their own labor time, and the apples. They have a total of 500 cooking hours available, and it requires 3.5 hours to cook a 10-gallon batch of apple butter, 5.2 hours to cook 10 gallons of applesauce, and 2.8 hours to cook 10 gallons of jelly. A 10-gallon batch of apple butter re- quires 1.2 hours of labor, a batch of sauce takes 0.8 hour, and a batch of jelly requires 1.5 hours. The Friendly family has 240 hours of labor available during the fall. They produce about 6,500 apples each fall. A batch of apple butter requires 40 apples, a 10-gallon batch of applesauce requires 55 apples, and a batch of jelly requires 20 apples. After the products are canned, a batch of apple butter will generate \$190 in sales revenue, a batch of applesauce will generate a sales revenue of \$170, and a batch of jelly will generate sales revenue of \$155. The Friendlys want to know how many batches of apple butter, applesauce, and apple jelly to pro- duce in order to maximize their revenues. Formulate a linear programming model for this problem. Solve the model by using the computer.

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Sep 13, 2020

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