document.write( "Question 302678: John has 50 liters of a 10% peroxide solution. How many liters of a 60% peroxide
\n" ); document.write( "solution should he add to get a 28% peroxide solution ?
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Algebra.Com's Answer #217017 by Fombitz(32388)\"\" \"About 
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Let X be the number of liters of 60% solution.
\n" ); document.write( "\"10%2850%29%2B60%28X%29=28%2850%2BX%29\"
\n" ); document.write( "\"500%2B60X=1400%2B28X\"
\n" ); document.write( "\"32X=900\"
\n" ); document.write( "\"X=225%2F8\"
\n" ); document.write( "28 and 1/8 liters of 60% solution are required.
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