Solve the problem.Ellen wishes to mix candy worth $1.80 per pound with candy worth $2.40 per pound to form 48 pounds of a mixture worth $2.00 per pound. How many pounds of the more expensive candy should she use?
A. 16 pounds
B. 22 pounds
C. 32 pounds
D. 28 pounds
Answer: A
Mathematics
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Solve the problem.The area of a circle with radius r is given by the function A(r) = ?r2. Find the area of the base of a circular storage tank if the radius is 5 feet long. Use ? ? 3.14.
A. 78.5 square feet B. 15.7 square feet C. 31.4 square feet D. 75 square feet
Mathematics
Use the table to find the specified value, if possible.
(f ? g) (1)
A. 2 B. Not defined C. 4 D. 0
Mathematics
Answer the question.A tree casts a shadow 40 meters long. At the same time, the shadow cast by a vertical 5 meter stick is 10 meters long. Find the height of the tree.
A. 
B. 50
C. 20
D. 80
Mathematics
Subtract.724
A. 660 B. 568 C. 780 D. 668
Mathematics