Multiple Choice
Solve the problem.
-A merchant has coffee worth $4 a pound that she wishes to mix with 90 pounds of coffee worth $16 a pound to get a mixture that can be sold for $12 a pound. How many pounds of the $4 coffee should be used?
A) 67.5 lb
B) 135 lb
C) 45 lb
D) 22.5 lb
Correct Answer:

Verified
Correct Answer:
Verified
Q478: Solve the problem.<br>-An airplane flies from Metro
Q479: Find the solution to the given equation
Q480: Write as a single interval.<br>-<img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8458/.jpg" alt="Write
Q481: Perform the indicated operations and write the
Q482: Solve the problem.<br>-Decide whether or not the
Q484: Write the standard equation for the circle.<br>-<img
Q485: Solve the problem.<br>-Suppose a cost-benefit model is
Q486: Solve the equation. Identify the equation as
Q487: Write an absolute value inequality that has
Q488: Find the values of x for which