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donna's coffee shop makes a blend that is a mixture of two types o...
Mathematics, 24.07.2019 23:30 robertss403
Does anyone know how to do
donna's coffee shop makes a blend that is a mixture of two types of coffee. type a coffee costs donna $4.20 per pound, and type b coffee costs $5.30 per pound. this month, donna made 145 pounds of the blend, for a total cost of $659.90. how many pounds of type b coffee did she use?
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