if there are a lbs of A, then the rest (174-a) is B. So,
5.85a + 4.40(174-a) = 906.25
Christine's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Christine $5.85 per pound, and type B coffee costs
$4.40 per pound. This month, Christine made
174 pounds of the blend, for a total cost of
$906.25. How many pounds of type A coffee did she use?
3 answers
the actual answer is 26.
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