document.write( "Question 781210: How much of a 45% solution must be added to 1 liter of a 60% solution in order to make a 50% solution? \n" ); document.write( "
Algebra.Com's Answer #476144 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
0.45x+0.60*1=(x+1)*0.5
\n" ); document.write( "0.6-0.5=0.5x-0.45x
\n" ); document.write( "1.0=0.05x\r
\n" ); document.write( "\n" ); document.write( "x=20 liters
\n" ); document.write( "
\n" );