document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=29301>Question 29301</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist has 40mL of solution that is 50% acid.  How much water should be added to make a solution that is 10% acid? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #16118 by </B><A HREF=/tutors/aboutme.mpl?userid=bmauger><B>bmauger(101)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=bmauger><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=16118\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If 40mL of the solution is 50% acid, that means that the solution is made of 20mL pure acid. 10% of what number is 20? Write 0.1x=20 Divide both sides by 0.1 to get x=200  So you need a total of 200mL of liquid, since you've already got 40mL, 200-40=160 mL of water you still need. </SPAN>\n" );
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