SOLUTION: Dan's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Dan $4.15 per pound, and type B coffee costs $5.50 per pound. This month's blen

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Question 946885: Dan's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Dan
$4.15
per pound, and type B coffee costs
$5.50
per pound. This month's blend used twice as many pounds of type B coffee as type A, for a total cost of
$515.10
. How many pounds of type A coffee were used?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Dan's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Dan $4.15 per pound, and type B coffee costs $5.50
per pound.
This month's blend used twice as many pounds of type B coffee as type A, for a total cost of $515.10
. How many pounds of type A coffee were used?
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Equations:
B = 2A
4.15A + 5.5B = 515.10
----
4.15A + 5.5(2A) = 515.10
4.15A + 11A = 515.10
15.15A = 515.10
A = 34 lbs (amt. of typa A coffee used)
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cheers,
Stan H.
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