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Mathematics 8 Online
OpenStudy (anonymous):

Omar's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Omar $4.60 per pound, and type B coffee costs $5.85per pound. This month, Omar made 152 pounds of the blend, for a total cost of $ 770.45 How many pounds of type A coffee did he use?

hero (hero):

Hint: 4.60a + 5.85b = 770.45 a + b = 152

OpenStudy (anonymous):

the answer is wrong

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