Consider the LP maximization problem for the High Note Sound Co. and the Excel o

Question

Consider the LP maximization problem for the High Note Sound Co. and the Excel output below. Decision variables are: X_1 = number of CD players produced X_2 = number of receivers produced Constraint (1) is ____ and constraint (2) is ____. A. Nonbinding, nonbinding B. Binding, nonbinding C. Nonbinding, binding D. Binding, binding Let X, Y, and Z be the dollars invested in companies X, Y, and Z. If at most 20% of the total investment can be in company Y, ____. A. 0 lessthanorequalto 0.2X + 0.8Y+0.2Z B. Y lessthanorequalto 0.8X + 0.2Y+0.2Z C. -0.2X+0.8Y-0.2Z lessthanorequalto 0 D. -0.2X+0.8Y - 0.2Z greaterthanorequalto 0

Explanation / Answer

Answer - 9:

Option A is correct because for constrint 1, we are only using 40 out of 80 available hours whereas for constraint 2, we are using total 60 out of 60 available hours.

Answer - 10:

According to givne condition,

Y < 0.2(X + Y + Z)

Y < 0.2 X + 0.2 Y + 0.2 Z

-0.2X + 0.8Y - 0.2Z < 0

Option C is correct.

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