carsonrancourt carsonrancourt

10-06-2018
Mathematics

contestada

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?

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llefevre llefevre

10-06-2018

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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