Question #258785

1. A firm manufactures two products; the net profit on product 1 is Rupees 3 per unit and Rupees 5 per unit on product 2. The manufacturing process is such that each product has to be processed in two departments D1 and D2. Each unit of product1 requires processing for 1 minute at D1 and 3 minutes at D2; each unit of product 2 requires processing for 2 minutes at D1 and 2 minutes at D2. Machine time available per day is 860 minutes at D1 and 1200 minutes at D2. How much of product 1 and 2 should be produced every day so that total profit is maximum. (solve with graphical method)

1
Expert's answer
2021-11-02T13:01:33-0400

3x1+5x2max3\cdot x_1+5\cdot x_2\rarr max

x1+2x2800;3x1+2x21200;x_1+2\cdot x_2\le800;\\ 3\cdot x_1+2\cdot x_2\le1200;\\

x10,x20x_1\ge0,x_2\ge0


Extreme Point Coordinates:

(400,0)(400,0) : z=1200z=1200

(200,300)(200,300) : z=2100z=2100

(0,400)(0,400) : z=2000z=2000


optimal solution:

 x1=200,x2=300 and max Z=2100.


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