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A coffee merchant combines coffee costing $3.50 per pound with coffee costing $3.00 per pound. How many pounds of each should be used to make 30 lb of a blend costing $3.20 per pound?$3.50/lb coffeelb$3.00/lb coffeelb

Question

A coffee merchant combines coffee costing $3.50 per pound with coffee costing $3.00 per pound. How many pounds of each should be used to make 30 lb of a blend costing $3.20 per pound?

$3.50/lb coffee lb
$3.00/lb coffee lb
check_circleAnswer
Step 1

To determine the composition of the mixture

Step 2

Set up equations fo...

Let x lb (cos ting $3.50),
y lb (cos ting $3.20)
Given x+y 30
(I)
3.50x+3.00y 3.20x 30
3.5x+3y 96
(2)
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Image Transcriptionclose

Let x lb (cos ting $3.50), y lb (cos ting $3.20) Given x+y 30 (I) 3.50x+3.00y 3.20x 30 3.5x+3y 96 (2)

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Math

Algebra

Equations and In-equations

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