document.write( "Question 967079: A radiator contains 10 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 60% antifreeze? \n" ); document.write( "
Algebra.Com's Answer #591063 by stanbon(75887)\"\" \"About 
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A radiator contains 10 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 60% antifreeze?
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\n" ); document.write( "Equation:
\n" ); document.write( "anti - anti + anti = anti
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\n" ); document.write( "0.3*10 - 0.3*x + 1*x = 0.6*10
\n" ); document.write( "0.7x = 0.3*10
\n" ); document.write( "x = (3/7)10
\n" ); document.write( "x = 4.29 quarts (amt. to remove and replace)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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