Q 69

Find the consumer surplus for the pair of demand and supply equations below.
A) $1,250,000
B) $3,750,000
C) $5,000,000
D) $2,500,000
E) $1,875,000

Q 71

A dietitian designs a special diet supplement using two different foods.Each ounce of food X contains 10 units of calcium, 15 units of iron, and 20 units of vitamin B.Each ounce of food Y contains 15 units of calcium, 10 units of iron, and 20 units of vitamin B.The minimum daily requirements for the diet are 380 units of calcium, 240 units of iron, and 390 units of vitamin B.Which combinations of foods X and Y below, if any, can be given to the patient to meet the minimum daily requirements? Combination I :
21 ounces of food X and 22 ounces of food Y
Combination II :
16 ounces of food X and 19 ounces of food Y
Combination III :
10 ounces of food X and 10 ounces of food Y
A) Only combinations II and III meet the minimum daily requirement.
B) Only combination II meets the minimum daily requirement.
C) None of the combinations meet the minimum daily requirement.
D) Only combinations I and II meet the minimum daily requirement.
E) Only combination III meets the minimum daily requirement.

Q 72

Find which of the following system of inequalities has a right triangle as a graphed solution set. System I: System II: System III:
A) No systems have a right triangle as a graphed solution set.
B) Only systems II and III have a right triangle as a graphed solution set.
C) Only systems I and III have a right triangle as a graphed solution set.
D) Only system I has a right triangle as a graphed solution set.
E) Only systems I and II have a right triangle as a graphed solution set.