document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=295939>Question 295939</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist has 600 milliliters of a solution that is half acid. She needs a solution that is 70% acid. How many milliliters of acid she should add? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #213302 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=213302\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     A chemist has 600 milliliters of a solution that is half acid. She needs a solution that is 70% acid. How many milliliters of acid she should add?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = milliliters of acid added<BR>\n" );
document.write( "then<BR>\n" );
document.write( "x + .50(600) = .70(600+x)<BR>\n" );
document.write( "x + 300 = 420 + .70x<BR>\n" );
document.write( ".30x + 300 = 420<BR>\n" );
document.write( ".30x = 120<BR>\n" );
document.write( "x = 400 milliliters<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );