document.write( "Question 454387: A store mixes Brazilian coffee worth $11 per kilogram and Venezuelan coffee worth $14 per kilogram. The mixture is to sell for $12 per kilogram. Find how much of each should be used to make a 600-kilogram mixture. \n" ); document.write( "
Algebra.Com's Answer #311994 by mananth(16946)\"\" \"About 
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--------price ----------------quantity
\n" ); document.write( "Brazilian coffee $ 11---------------- x kgs
\n" ); document.write( "Venezuelan coffee $14 ----------------600-x kgs
\n" ); document.write( "Mixture $12.00 ---------------- 600
\n" ); document.write( "
\n" ); document.write( "11x+14(600-x)=12*600
\n" ); document.write( "
\n" ); document.write( "11x+8400-14x=7200
\n" ); document.write( "11x-14x =7200-8400
\n" ); document.write( "-3x=-1200
\n" ); document.write( "/-3
\n" ); document.write( "x=400 kgs $11.00
\n" ); document.write( "200 kgs $14.00
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