Solve the problem.Suppose the following matrix represents the input-output matrix of a primitive economy that depends on two basic goods, yams and pigs. How much of each commodity should be produced to get 4 bushels of yams and 20 pigs? (It is not necessary to round to a whole-number quantity of pigs.)
A. 21 bushels of yams and 23.5 pigs
B. 28.5 bushels of yams and 23.5 pigs
C. 11 bushels of yams and 25.5 pigs
D. 11 bushels of yams and 27 pigs
Answer: C
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Use the relationship among the three angles of any triangle to solve the problem.One angle of a triangle is 3 times as large as another. The measure of the third angle is 55° greater than that of the smallest angle. Find the measure of each angle.
A. 35°, 105°, 40° B. 25°, 75°, 80° C. 25°, 75°, 55° D. 30°, 90°, 60°
Graph the function by plotting points.g(x) = - 
x - 4
A. 
B. 
C. 
D. 
Find the cardinal number of the set.Given:n(A ? B ? C)= 165n(A ? B ? C)= 22n(A ? B)= 46n(A ? C)= 43n(B ? C)= 41n(A)= 111n(B)= 82n(C)= 80Find n(A' ? B ? C)
A. 18 B. 20 C. 21 D. 19
Solve the problem.Bathing suits are often on sale in July. The regular price of one suit is $18. With a 45% discount, what is the sale price of the suit?
A. $9.90 B. $8.10 C. $10.90 D. $8.90