document.write( "Question 1051610: a merchant has coffee worth $30 a pound that she wishes to mix with 30 pounds of coffee worth $70 a pound to get a mixture that can be sold for $30 a pound. how many pounds of the \n" ); document.write( "
Algebra.Com's Answer #667147 by josgarithmetic(39617)\"\" \"About 
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LESSON: Two part mixture, one quantity known and other quantity unknown\r
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\n" ); document.write( "\n" ); document.write( "Price is like a concentration.
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