Mathematics, 31.07.2019 21:00 cj31150631
Lucy's coffee shop makes a blend that is a mixture of two types of coffee. type a coffee costs lucy $5.75 per pound, and type b coffee costs $4.10 per pound. this month's blend used four times as many pounds of type b coffee as type a, for a total cost of $819.55 . how many pounds of type a coffee were used?
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Lucy's coffee shop makes a blend that is a mixture of two types of coffee. type a coffee costs lucy...
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