Solve the problem.The manager of a coffee shop has one type of coffee that sells for $8 per pound and another type that sells for $14 per pound. The manager wishes to mix 50 pounds of the $14 coffee to get a mixture that will sell for $12 per pound. How many pounds of the $8 coffee should be used?
A. 12.5 pounds
B. 25 pounds
C. 75 pounds
D. 37.5 pounds
Answer: B
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Find the equation of the curve for the given slope and point through which it passes.Slope given by -y/(x + y); passes through (-3, 4)
A. y2 - 2xy = 40 B. y2 + 2xy = -8 C. y2 + 2xy + -8 = 0 D. y2 + xy = 4
Solve.A meter is a unit of measure in the metric system that is approximately equal to 39.37 inches. Gina is 2.05 meters tall. What is her approximate height in inches? (Round to the nearest hundredth.)
A. 80.50 in B. 805.04 in C. 80.71 in D. 8.07 in
Divide.
A. x2 - 5x - 3 B. -2x2 + 5x + 3 C. -2x2 + 3 D. x2 + 5x + 3
Solve.At Allied Electronics, production has begun on the X-15 Computer Chip. The total cost function is given by 
and the total profit function is given by 
where x represents the number of boxes of computer chips produced. The total revenue function, R(x), is such that 
Find R(x).
A. R(x) = 56x - 0.3x2 B. R(x) = 55x - 0.6x2 C. R(x) = 58x - 0.3x2 D. R(x) = 56x + 0.3x2