document.write( "Question 868555: how much pure acid should be mixed with 5 gallons of 40% acid in order to get a 50% acid solution? \n" ); document.write( "
Algebra.Com's Answer #523632 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
.40*5+x=.5(5+x)
\n" ); document.write( "x=1
\n" ); document.write( "
\n" ); document.write( "
\n" );