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Mathematics, 20.09.2019 11:30 brandy127
Aperson wishes to mix coffee worth $9per pound with coffee worth $3 per pound to get a 90 lb of a mixture worth $3 per lb. how many pounds of the $9 and $3 coffees will be needed?
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Aperson wishes to mix coffee worth $9per pound with coffee worth $3 per pound to get a 90 lb of a mi...
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