SOLUTION: Lisa's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Lisa per pound, and type B coffee costs per pound. This month's blend used four tim

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Question 703772: Lisa's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Lisa per pound, and type B coffee costs per pound. This month's blend used four times as many pounds of type B coffee as type A, for a total cost of . How many pounds of type A coffee were used?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
The problem description is not complete because the quantity of blend must be known, or the quantity of either coffee A or coffee B must be known. We may otherwise assume that the prices of the A, the B, and the blend are known or given. The ratio between coffee A and coffee B is not enough.