document.write( "Question 911738: A radiator contains 15 quarts of fluid, 10% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 30% antifreeze? (Round your answer to two decimal places.) \n" ); document.write( "
Algebra.Com's Answer #553311 by richwmiller(17219)\"\" \"About 
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0.1*15-0.1x+1x=0.3(15)
\n" ); document.write( "1.5+0.9x=4.5
\n" ); document.write( "0.9x=4.5-1.5
\n" ); document.write( "0.9x=3
\n" ); document.write( "x=3.33333333
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\n" ); document.write( "0.1*11.6666667+1*3.33333333=0.3(15)
\n" ); document.write( "1.16666667+3.33333333=4.5
\n" ); document.write( "4.5=4.5
\n" ); document.write( "ok
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