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Mathematics 8 Online
OpenStudy (anonymous):

i have another question? a merchant has coffee worth $50 a pound that she wishes to mix 80 pounds of coffee worth $80 a pound to get a mixture that can be sold for $60 a pound. how many pounds of $50 coffee should be used?

OpenStudy (anonymous):

50(x) + 80(80) = 60(x + 80)

OpenStudy (anonymous):

thanxs

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