Solve the problem.The manager of a coffee shop has one type of coffee that sells for $9 per pound and another type that sells for $13 per pound. The manager wishes to mix 70 pounds of the $13 coffee to get a mixture that will sell for $10 per pound. How many pounds of the $9 coffee should be used?
A. 140 lb
B. 105 lb
C. 280 lb
D. 210 lb
Answer: D
Mathematics
You might also like to view...
Find the component form of the indicated vector.Let u = . Find -7u.
A.
B.
C.
D.
Mathematics
Provide the requested proof.In the trapezoid below, and
. If M is the midpoint of
, prove that
What will be an ideal response?
Mathematics
Solve the problem.Bob can paint a house in 14 hours and Ezra can paint a house in 4 hours. How long will it take them to paint a house together? Round your answer to one decimal place.
A. 18.0 hr B. 4.0 hr C. 5.6 hr D. 3.1 hr
Mathematics
Solve the equation.x4 - 13x2 - 48 = 0
A. {- ,
, -4i, 4i}
B. {4, i}
C. {-4, 4, -i, i
}
D. {-16, 3}
Mathematics