SOLUTION: Chris's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Chris $5.95 per pound, and type B coffee costs $4.45 per pound. This month, Chris ma

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Question 584114: Chris's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Chris $5.95 per pound, and type B coffee costs $4.45 per pound. This month, Chris made 142 pounds of the blend, for a total cost of $751.90. How many pounds of type B coffee did he use?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
5.95a+4.45b=751.90
a+b=142
a=80
b=62