SOLUTION: chang's coffee shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Chang $4.10 per pound, and type B coffee cost $5.90 per pound. This month's blend us
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Question 801979: chang's coffee shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Chang $4.10 per pound, and type B coffee cost $5.90 per pound. This month's blend used twice as many pounds of type B coffee as type A, for a total cost of $461.10. 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 type A coffee used
Let = pounds of type B coffee used
--------------
(1)
(2)
-------------------------
Substitute (1) into (2)
(2)
(2)
(2)
(2)
29 pounds of type A coffee were used
check:
(1)
(1)
(1)
(2)
(2)
(2)
OK
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