09 Graphical Method to solve Linear programming Problem

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[KHlb_]

Thank you. I slept through my lecture, but with your help I got that now.

[kirayamato]

how did you get 30 is x and 90 is y suddenly

[shabanaansari]

consider the following linear programming problem:
Max. z=0.50x2 - 0.10x1
subject to the constraints
2x1+5x2 <=80
x1 + x2 <=20
and
x1, x2 >=0
the total maximum profit (z) for the above problem is:?

sir pls solve this