document.write( "Question 930829: Mixture problem!..please help me solve is one!.....*How many kilograms of pure malagkit rice is to be added to 10 kilograms of an ordinary rice(no malagkit content)to produced a 6% mixture of malagkit rice? \n" ); document.write( "
Algebra.Com's Answer #565311 by Alan3354(69443)\"\" \"About 
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\n" ); document.write( "How much decaffeinated coffee(assume to be 0% caffeine)and 40% caffeine coffee should be mixed to produce 20 mugs of 30% caffeine coffee?
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\n" ); document.write( "d = decaf
\n" ); document.write( "c = regular
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\n" ); document.write( "d + c = 20 (total mugs)
\n" ); document.write( "0*d + 40*c = (0 + 40)*30 (total caffeine)
\n" ); document.write( "40c = 1200
\n" ); document.write( "c = 30 mugs
\n" ); document.write( "d = 10 mugs
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