Solve the problem.
-The manager of a coffee shop has one type of coffee that sells for $10 per pound and another type that sells for $13 per pound. The manager wishes to mix 30 pounds of the $13 coffee to get a mixture that will sell for $12 per
Pound. How many pounds of the $10 coffee should be used?
A)15 lb
B)7.5 lb
C)22.5 lb
D)45 lb

Question

Quizplus · Accepted Answer

To achieve a mixture that sells for $12 per pound by mixing $10 and $13 coffee, we can use the equation: $10x + 13(30) = 12(x + 30)$, where $x$ is the amount of $10 coffee. Solving for $x$ gives $x = 15$, meaning 15 pounds of the $10 coffee should be used.

Solve the Problem. -The Manager of a Coffee Shop Has One Type of One