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(7) A business firm produces two types of products X and Y. The average profit for the product X is Rs. 120 per ton and that for the product Y is Rs. 100 per ton. The plant consists of three production departments I, II and III. The equipment in each department can be used for 10 hours a day. Product X requires 2 hours, 1 hour, 2 hours in department I, II and III respectively. Product Yrequires 4 hours and 5 hours in department II and III respectively per ton. Formulate this problem as a linear programming problem for maximum profit and find out the maximum profit. luut niinhan to nurchase some regular size books and some long books for the entire to

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