Solve the problem.The manager of a coffee shop has one type of coffee that sells for $6 per pound and another type that sells for $15 per pound. The manager wishes to mix 40 pounds of the $15 coffee to get a mixture that will sell for $7 per pound. How many pounds of the $6 coffee should be used?
A. 160 lb
B. 320 lb
C. 180 lb
D. 360 lb
Answer: B
Mathematics
You might also like to view...
Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.
2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Round approximations to the nearest cent.Kendal Cole scored 75 and 78 on his first two business math tests. Find the minimum score he must get on his third test to have an average of 80 in the course.
A. 87 B. 85 C. 77 D. 79
Mathematics
Find the quotient and simplify.
÷ 
A. (x + y) B. (x - y)(x + y) C. (x + y)2 D. (x - y)2
Mathematics
Simplify.
- 
A. 
B. 
C. 
D. 
Mathematics