document.write( "Question 903200: standard quality coffee sells for $18.00/kg and prime quality coffee sells for $24.00/kg. What quantity of each should be combined to produce 40 kg of blend to sell for $22.50/kg. \n" ); document.write( "
Algebra.Com's Answer #547846 by ewatrrr(24785)\"\" \"About 
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x the amount of $24
\n" ); document.write( "24x + 18(40kg-x) = 22.5(40kg)
\n" ); document.write( " x = 4.5(40kg)/6, $24 variety. $18 variety \"40kg-x\"
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