SOLUTION: Problem Page Charmaine's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Charmaine $5.50 per pound, and type B coffee costs $4.05 per pound.

Question 1110641: Problem Page Charmaine's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Charmaine $5.50 per pound, and type B coffee costs $4.05 per pound. This month's blend used four times as many pounds of type B coffee as type A, for a total cost of $781.20 . How many pounds of type A coffee were used?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Problem Page Charmaine's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Charmaine $5.50 per pound, and type B coffee costs $4.05 per pound. This month's blend used four times as many pounds of type B coffee as type A, for a total cost of $781.20 . How many pounds of type A coffee were used?
------
Value Eq:: 5.5A + 4.05B = 781.20
Quantity Eq:: B = 4A
-------------------------------
Solve for "A"::
5.5A + 4.05(4A) = 781.20
(5.5+16.2)A = 781.2
A = 781.2/21.7
A = 36 lbs (amt of A to use)
-------------
Cheers,
Stan H.
-------------
RELATED QUESTIONS
Charmaine's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A... (answered by josgarithmetic)

David's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee (answered by ikleyn)

Kira’s coffee shop makes a blend that is a mixture of two types of coffee. Type A... (answered by josgarithmetic)

Justin's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A... (answered by josgarithmetic)

Ravi’s Coffee Shop makes a blend that is a mixture of two types of coffee. Type A... (answered by ikleyn)

Lisa's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee... (answered by josgarithmetic)

Ashley's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A... (answered by josgarithmetic)

Ryan's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee... (answered by josmiceli)

Kira's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee... (answered by josgarithmetic)