document.write( "Question 1158384: Mrs. G thinks she finally may have found a medicine which will remove the blackness from her teeth. But first she has to mix a liquid containing 4% reactor fuel with a liquid containing 20% reactor fuel to create a 6 ounce liquid containing 8% reactor fuel. How many ounces of the 4% liquid must she use. Round your answer to the nearest one decimal place (tenths). \n" ); document.write( "
Algebra.Com's Answer #781318 by Boreal(15235)\"\" \"About 
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want 6 oz 0.08 fuel=0.48 fuel-oz
\n" ); document.write( "have x os .04 fuel=.04x fuel-oz
\n" ); document.write( "and 6-x oz .20 fuel=1.20-.20x fuel-oz\r
\n" ); document.write( "\n" ); document.write( "so .04x+1.20-.20x=0.48
\n" ); document.write( "-.16x=-.72
\n" ); document.write( "x=4.5 oz of 4%
\n" ); document.write( "6-x=1.5 oz of 20% \r
\n" ); document.write( "\n" ); document.write( "4.5 ounces of 4% ANSWER\r
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