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stira
[4]
3 years ago
9
coffee worth 90 cents per pound is mixed with coffee worth 60 cents per pound ro produce a twenty pound blend worth 72 cents per
pound. How much of each type of coffe is used?
Mathematics
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answer:
Evgesh-ka
[11]
3 years ago
8
0
90x+60y=72
60y=-90x+72
y=-1.5x+1.2
then create a graph using this formula.
Hope this helps!
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