document.write( "Question 726508: (c) A coffee store will start selling a mix of two kinds of coffee: Kona and Mexican Organic. The price of Kona coffee is $7.50 per pound and the price of Mexican Organic coffee is $8.30 if they are sold separately. The store wants the price of the mix to be $8.00 per pound. How many pounds of each kind should be used to prepare 160 pounds of the mix?
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Algebra.Com's Answer #444651 by checkley79(3341)\"\" \"About 
You can put this solution on YOUR website!
7.50x+8.30(160-x)=8.00*160
\n" ); document.write( "7.50x+1328-8.30x=1280
\n" ); document.write( "-.8x=1280-1328
\n" ); document.write( "-.8x=-48
\n" ); document.write( "x=-48/-.8
\n" ); document.write( "x=60 pounds of Kona coffee is used.
\n" ); document.write( "160-60=100 pounds of Mexican coffee is used.
\n" ); document.write( "Proof:
\n" ); document.write( "7.50*60+8.30*100=8.00*160
\n" ); document.write( "450+830=1280
\n" ); document.write( "1280=1280
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