Use a Venn diagram to answer the question.A survey of 138 college students was done to find out what elective courses they were taking. Let A = the set of those taking art; B = the set of those taking basket weaving; and C = the set of those taking canoeing. The study revealed the following information:n(A) = 45; n(B) = 55; n(C) = 40; n(A ? B) = 12; n(A ? C) = 15; n(B ? C) = 23; n(A ? B ? C) = 2.How many students were not taking any of these electives?
A. 56
B. 48
C. 46
D. 10
Answer: C
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A bus company operates four bus routes (A, B, C, and D) and 50 buses. The buses are apportioned among the routes on the basis of average number of daily passengers per route which is given in the following table.
Find the apportionment of the buses among the routes using Webster's method.
A. Route A: 6; Route B: 18; Route C: 9; Route D: 17 B. Route A: 7; Route B: 18; Route C: 9; Route D: 16 C. Route A: 7; Route B: 18; Route C: 10; Route D: 16 D. Route A: 7; Route B: 17; Route C: 9; Route D: 17 E. none of these
Solve the problem.The demand for a certain product is given by p + 8q = 297, and the supply is given by 
where p is the price in dollars and q is the quantity demanded or supplied at price p. Find the price at which the quantity demanded equals the quantity supplied.
A. $116 B. $115 C. $110 D. $113
Answer the question or complete the sentence to make a true statement.When the absolute value of a positive number equals the absolute value of a negative number, the sum of the positive and the negative number is .
A. Not known B. Negative C. Positive D. Zero
Solve. Clear fractions first.x + 
x = 18
A. 36 B. 12 C. 6 D. 15