coffee shop plans to mix grage a cogge costing $9.50/lb and grade b coffee costing &7 /lb to yield a 20lb blen costing $8.50/lb. how many pounds of each to make the blend?
a=b=20
9.5a+7b=170
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What is " grage a cogge "?
a=b=20
9.5a+7b=170
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4 answers
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1 answer