document.write( "Question 816565: How many litres (L) of a 40% glycerine solution must be mixed with 10L of an 80% glycerine solution to obtain a 65% solution? \n" ); document.write( "
Algebra.Com's Answer #491602 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
This depends on the kind of percent concentration: either w/v or v/v.
\n" ); document.write( "This help will be according to percents as volume per volume.\r
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\n" ); document.write( "\n" ); document.write( "u = how much 40%\r
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\n" ); document.write( "\n" ); document.write( "\"%2840u%2B80%2A10%29%2F%28u%2B10%29=65\"\r
\n" ); document.write( "\n" ); document.write( "Solve for u.\r
\n" ); document.write( "\n" ); document.write( "\"8u%2B160=13%28u%2B10%29\"
\n" ); document.write( "\"8u%2B160=13u%2B130\"
\n" ); document.write( "you can finish?
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