A) \[2x+5y\ge 80,\ x+y\le 20,\ x\ge 0,\ y\le 0\]
B) \[2x+5y\ge 80,\ x+y\ge 20,\ x\ge 0,\ y\ge 0\]
C) \[2x+5y\le 80,\ x+y\le 20,\ x\ge 0,\ y\ge 0\]
D) \[2x+5y\le 80,\ x+y\le 20,\ x\le 0,\ y\le 0\]
Correct Answer: C
Solution :
In given all equations, the origin is present in shaded area, answer satisfy this condition.
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