document.write( "Question 422895: a merchant has coffee worth $5 a pound that she wishes to mix with 50 pounds of coffee worth $9 a pound to get a mixture worth $6 a pound. how many pounds of the $5 coffee be used?
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Algebra.Com's Answer #318662 by jorel1380(3719)\"\" \"About 
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5m+50(9)=6(m+50)
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\n" ); document.write( "She needs 150 lbs. of $5 coffee for her mix..
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