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(i) Draw the graph of 5x+4y=40,x=4,y=5 ...

(i) Draw the graph of `5x+4y=40,x=4,y=5`
(ii) Solve the following LPP graphically maximise `Z=3x+5y`
Subject to the conditions `5x+4y le 40, x le 4, y le 5, x,y ge0`

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