document.write( "Question 1149169: how many litres of a 68% alcohol solution must be added to 54 litres of a 38% alcohol solution to produce a 53% alcohol solution? \n" ); document.write( "
Algebra.Com's Answer #770528 by ikleyn(52878)\"\" \"About 
You can put this solution on YOUR website!
.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Notice that 53% is exactly half-way between 38% and 68%.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Therefore, as any house-wife will answer you (without solving any equation), you need use 54 liters of the 68% solution.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );