document.write( "Question 910877: A radiator contains 5 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 35% antifreeze? \n" ); document.write( "
Algebra.Com's Answer #552774 by richwmiller(17219)\"\" \"About 
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0.3*5-0.3x+1x=0.35(5)
\n" ); document.write( "1.5+0.7x=1.75
\n" ); document.write( "0.7x=1.75-1.5
\n" ); document.write( "0.7x=0.25
\n" ); document.write( "x=0.35714286
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\n" ); document.write( "0.3*4.64285714+1*0.35714286=0.35(5)
\n" ); document.write( "1.39285714+0.35714286=1.75
\n" ); document.write( "1.75=1.75
\n" ); document.write( "ok
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