Mathematics, 06.10.2019 11:00 anggar20

Aperson wishes to mix coffee worth $9 per lb with coffee worth $3 per lb to get 150 lb of a mixture worth $5 per lb. how many pounds of the $9 and the $3 coffees will be needed

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Aperson wishes to mix coffee worth $9 per lb with coffee worth $3 per lb to get 150 lb of a mixture...