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Algebra - Inequalities

Need help in solving the following system of inequalities.
Use x for the number of bats and y for the number of balls made per week. The number of work-hours avaiable for construction and finishing is fixed.
hours hours total
per per hours
bats balls available
construction| 3 4 36
finishing | 2 2 20

a) 3x+4y<36 b) 3x+2y<36 c) 3x+2y<56 d) 3x+4y<56
2x+2y<20 2x+4y<20 2x+4y<50 2x+2y<50
x>0 x>0
y>0 y>0

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The correct system of inequalities for the given problem is the ...

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Neat solution is provided. Graph is shown.