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Problem #1 Gabriela operates a taco stand and can make Beef Tacos (BT) and Veggie Especials (VE). A Beef Taco sells for $3 an

Please show work so I can understand it!! Thank you!!

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Answer #1

Let X1 = # of veggie especial and X2 = # of beef tacos

Formulation

Maximize 2X1 + 3X2

S.T

X1 + X1 <= 10

X1 + 0.5X2 <= 8

X1 + 0.5X2 <= 7

X2 <= 8

X1, X2 >= 0

The labels are shown below (marked on the same image). The constraint lines and equations are color coded. The feasible region is marked in white.

..and answer more of the questions below 18 φ x1 +10.532< 8 16 141) x1 + 0.5x2 <= 7 : 12 ーtortillas 10 beans Cheese ground be

The objective function is maximizing and it is written above.

The maximum value is obtained at the point where X2 = 8 and X1 + X2 = 10 intersects. That is (2,8)

This means Gabriela can make maximum of 2 Veggie Especial and 8 Tacos and maximize her profit to 28.

The redundant constraint is X1 + 0.5X2 <= 8 and X1 + 0.5X2 <= 7

Existing veggie especial is a non-zero/integer constraint

If she had 12 tortillas, then her line X1 + X2 = 10 will shift to 12 and this means the point will be modified to (3,8). This means the total revenue will be 30

In the original optimal solution we have X2 = 8. This clearly surpasses the value of X2 >= 2. This means the optimal solution will not change

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