document.write( "Question 333323: A store mixes coffee A worth $10. per kilogram and coffee B worth $12. per kilogram. The mixture is to sell for $11. per kilogram. Find how much should be used to make a 480 kilogram mixture.\r
\n" ); document.write( "\n" ); document.write( "How many kilograms of coffee A should be in the mix?\r
\n" ); document.write( "\n" ); document.write( "How many kilograms of coffee B should be in the mix?
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Algebra.Com's Answer #238834 by mananth(16946)\"\" \"About 
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coffee A worth $10. per kilogram
\n" ); document.write( "coffee B worth $12. per kilogram.
\n" ); document.write( "mixture is to sell for $11. per kilogram.
\n" ); document.write( "480 kilogram mixture.
\n" ); document.write( "...
\n" ); document.write( "coffee A quantity be x kg $10
\n" ); document.write( "coffee B quantity will be 480-x kg. $12
\n" ); document.write( "Mixture $11 480 kg
\n" ); document.write( "..
\n" ); document.write( "10x+12(480-x)= 11*480
\n" ); document.write( "10x+5760-12x=5280
\n" ); document.write( "-2x=5280-5760
\n" ); document.write( "-2x=-480
\n" ); document.write( "x= 240 kg Coffee A
\n" ); document.write( "Coffee B = 240 kgs.
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