document.write( "Question 632314: How many gallons of 60% antifreeze solution must be mixed with 100 gallons of 20% antifreeze to get a mixture that is 50% antifreeze? Use the six-step method. \n" ); document.write( "
Algebra.Com's Answer #398190 by mananth(16946)\"\" \"About 
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-------------- percent ---------------- Amount
\n" ); document.write( "Antifreeze I 20 ---------------- 100 gal
\n" ); document.write( "Antifreeze II 60 ---------------- x gal
\n" ); document.write( "Mixture 50 ---------------- 100 + x gal
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\n" ); document.write( "20 * 100 + 60 x = 50 ( 100 + x )
\n" ); document.write( "2000 + 60 x = 5000 + 50 x
\n" ); document.write( "60 x -50 x = -2000 + 5000
\n" ); document.write( "10 x = 3000
\n" ); document.write( "/ 10
\n" ); document.write( "x = 300 gal Antifreeze II
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\n" ); document.write( "m.ananth@hotmail.ca
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