document.write( "Question 757367: . . . mixed coffee worth $9/lb with coffee costing $6/lb. How many lbs of each were used to make a lb blend that sold for $20 \n" ); document.write( "
Algebra.Com's Answer #460806 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
I started answering this and then I observed carefully something being negative in the solution steps that should not be. Then I checked again what you wrote. $20 cost of the blend! \r
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\n" ); document.write( "\n" ); document.write( "You canNOT mix a $9 per pound material with a $6 per pound material and achieve a $20 per pound mixture!
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