document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=736332>Question 736332</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 7 liters of an acid solution was mixed with 3 liters of a 15% acid solution to make a 29% acid solution. what is the percent concentration of the first solution? how to form a table that shows this ?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #449799 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=449799\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Would you be satisfied with a rational equation using the percentage concentrations instead of a table?\r<BR>\n" );
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document.write( "The target solution concentration achieved was T%.  The available starting solution apparantly of lower concentration was v liters of L% acid.  You are given v and L.  The higher concentration H% acid was also used, call this amount u.  You also know the value of u but you want to solve for H.\r<BR>\n" );
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document.write( "You mixed u liters of L% acid with v liters of H% acid and this made a solution resulting in T% acid.  You do not know H but wish to find it.  \r<BR>\n" );
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document.write( "EQUATION FOR THE TARGET RESULTING PERCENT ACID SOLUTION:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%28uL%2BvH%29%2F%28u%2Bv%29=T%29 ALIGN=MIDDLE  ALT=\"highlight%28%28uL%2BvH%29%2F%28u%2Bv%29=T%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve for H.  That will give a formula for H.\r<BR>\n" );
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document.write( "FINDING VALUE OF UNKNOWN:<BR>\n" );
document.write( "u = 3 liters<BR>\n" );
document.write( "v = 7 liters<BR>\n" );
document.write( "L = 15%<BR>\n" );
document.write( "H = UNKNOWN percent concentration, higher than 29<BR>\n" );
document.write( "T = 29%<BR>\n" );
document.write( "Substitute the given values to get the value of H. </SPAN>\n" );
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