document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=747109>Question 747109</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solution A is 30% acid and solution B is 50% acid. How much of each should be used to make 120 liters of a solution that is 40% acid? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #454700 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=454700\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The values are picked so that the quantities can be found through intuition and logic.  40% is exactly in the middle of 30% and 50%.  For 120 liters mixture, the quantity of each starting solution is 60 liters each.\r<BR>\n" );
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document.write( "ANSWER:  60 liters of each.\r<BR>\n" );
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document.write( "ARITHMETIC:<BR>\n" );
document.write( "let u = liters of 30%<BR>\n" );
document.write( "let v = liters of 50%\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2830u%2B50v%29%2F%28120%29=40 ALIGN=MIDDLE  ALT=\"%2830u%2B50v%29%2F%28120%29=40\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%2Bv=120 ALIGN=MIDDLE  ALT=\"u%2Bv=120\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Find u and v.\r<BR>\n" );
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document.write( "You can begin simplifying the rational equation by dividing both sides by 10 and have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%283u%2B5v%29%2F120=4 ALIGN=MIDDLE  ALT=\"%283u%2B5v%29%2F120=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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