Solve the problem.Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 31 pounds of feed worth $0.30 per pound by mixing one kind worth $0.22 per pound with another worth $0.39 per pound. How many pounds of the cheaper kind should they use in the mix? Round to the nearest whole pound if necessary.
A. 15 pounds
B. 16 pounds
C. 20 pounds
D. 18 pounds
Answer: B
Mathematics
You might also like to view...
List the intercepts for the graph of the equation.y2 = x + 64
A. (-8, 0), (0, -64), (8, 0) B. (8, 0), (0, 64), (0, -64) C. (0, -8), (-64, 0), (0, 8) D. (0, -8), (64, 0), (0, 8)
Mathematics
The graphing calculator screen shows the graphs of the two given functions, and the display gives the coordinates of one of the solutions. Find the other solution.
y = -x2 + 4x + y = 4
A. (3, 1) B. (1, 3) C. (-1, 5) D. (7, -3)
Mathematics
Answer the question.Explain in your own words how to multiply rational expressions. (How would you explain this to a student in this class who was absent from class?).
What will be an ideal response?
Mathematics
Solve and check.17 = b - 11
A. -6 B. 6 C. -28 D. 28
Mathematics