document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=915702>Question 915702</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Forty gallons of a 60% acid solution is obtained by mixing a 75% solution with a 50% solution. How many gallons of each solution must be used to obtain the desired mixture? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #555733 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=555733\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The method here makes sense only if the percents are volume per volume; otherwise, other details might be necessary.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "u, volume of 50%<BR>\n" );
document.write( "v, volume of 75%\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28acid%29%2F%28mixture%29=fraction ALIGN=MIDDLE  ALT=\"%28acid%29%2F%28mixture%29=fraction\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The fraction could be used as a percentage.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2850u%2B75v%29%2F40=60 ALIGN=MIDDLE  ALT=\"%2850u%2B75v%29%2F40=60\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50u%2B75v=2400 ALIGN=MIDDLE  ALT=\"50u%2B75v=2400\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10u%2B15v=480 ALIGN=MIDDLE  ALT=\"10u%2B15v=480\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2u%2B3v=96 ALIGN=MIDDLE  ALT=\"2u%2B3v=96\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%2Bv=40 ALIGN=MIDDLE  ALT=\"u%2Bv=40\"   DISABLED_style= \"max-width:90%; height:auto;\" >, using just sum of the material volume quantities.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Linear system of equations, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28system%282u%2B3v=96%2Cu%2Bv=40%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28system%282u%2B3v=96%2Cu%2Bv=40%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );