document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1137196>Question 1137196</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Doreen Schmidt is a chemist. She needs to prepare 36 ounces of a 17​% hydrochloric acid solution. Find the amount of 18​% solution and the amount of 9​% solution she should mix to get this solution. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #755063 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=755063\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "You should know the standard algebraic method for solving mixture problems like this, as shown by the other tutor.<br><BR>\n" );
document.write( "But here is a much easier and faster way to solve this problem (and MANY similar problems) with just a bit of mental arithmetic.<br><BR>\n" );
document.write( "The desired 17% concentration is 8/9 of the way from the lower 9% to the higher 18%.  That means 8/9 of the mixture must be the higher concentration.<br><BR>\n" );
document.write( "8/9 of 36 ounces is 32 ounces.<br><BR>\n" );
document.write( "ANSWER: 32 ounces of 18%; 4 ounces of 9%. </SPAN>\n" );
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