document.write( "Question 302492: The manager of a coffee shop has one type of coffee that sells for $6 per pound and another that sells for $9 per pound. The manager wishes to mix 40 pounds of the $9 coffee to get a mixture that will sell for $7 per pound. How many pounds of the $6 coffee should be used? a.40lb b.60lb c.80lb d.120lb \n" ); document.write( "
Algebra.Com's Answer #216886 by Nate(3500)\"\" \"About 
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The average of the prices will equal 7.00\r
\n" ); document.write( "\n" ); document.write( "( 40*$9 + x*$6 ) / (40 + x) = $7
\n" ); document.write( "x = 80lb
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