SOLUTION: Lamar's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Lamar
$4.10
per pound, and type B coffee costs
$5.80
per pound. This month's
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-> SOLUTION: Lamar's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Lamar
$4.10
per pound, and type B coffee costs
$5.80
per pound. This month's
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Question 997352: Lamar's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Lamar
$4.10
per pound, and type B coffee costs
$5.80
per pound. This month's blend used four times as many pounds of type B coffee as type A, for a total cost of
$709.80
. How many pounds of type A coffee were used? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = pounds of coffee A used
Let = pounds of coffee B used
-------------------------------
(1)
(2)
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(1)
Substitute (2) into (1)
(1)
(1)
(1)
(1)
26 pounds of coffee A were used
-------------
check:
(2)
(2)
(2)
-----------------
(1)
(1)
(1)
(1)
OK
