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A merchant has coffee worth $30 a pound that she wishes to mix with 20 pounds of coffee worth $60 a pound to get mixture that can be sold for $50 a pound. How many pounds of the $30 coffee should be used?
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A merchant has coffee worth $30 a pound that she wishes to mix with 20 pounds of coffee worth $60 a pound to get mixture that can be sold for $50 a pound. How many pounds of the $30 coffee should be used?

User Inwood
by
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2 Answers

1 vote
13 1/2 pounds of coffee should be used
User Calinou
by
7.7k points
5 votes
13 1/3 pounds of coffee should be used
User Sunny Milenov
by
8.2k points
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