Jenny's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Jenny $4.40 per pound, and type B coffee costs $5.65 per pound. This month's blend used four times as many pounds of type B coffee as type A, for a total cost of $972 . How many pounds of type A coffee were used?
+2572
Jenny's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Jenny $4.40 per pound, and type B coffee costs $5.65 per pound. This month's blend used four times as many pounds of type B coffee as type A, for a total cost of $972 . How many pounds of type A coffee were used?
B = 4A
(4.40) A + (5.65) B = 972.00
(4.40) A + (5.65) (4A) = 972.00
4.40 A + 22.24 A = 972.00
26.64 A = 972.00
A = 36.486 ≈ 36.5 lb
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