document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=367508>Question 367508</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a chemist needs a solution that is 75% acid but only has solutions that are 35%  and 85% acid. If The chemist measures 120ml of the 85% solution, how many milliliters of the 35% solution should she add to make a 75% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #261960 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=261960\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a chemist needs a solution that is 75% acid but only has solutions that are 35% and 85% acid. If The chemist measures 120ml of the 85% solution, how many milliliters of the 35% solution should she add to make a 75% solution?<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "0.35x + 0.85*120 = 0.75(x+120)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "35x + 85*120 = 75x + 75*120<BR>\n" );
document.write( "40x = 10*120<BR>\n" );
document.write( "x = 30ml (amt. of 35% solution needed for the mix)<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );