document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=696115>Question 696115</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 5% salt solution is mixed with a 10% salt solution. How many milliliters of each solution are needed to obtain 400 milliliters of an 8% solution.  \r<BR>\n" );
document.write( "\n" );
document.write( "s= number of milliliters of 5% salt solution<BR>\n" );
document.write( "t= number of milliliters of 10% s alt solution<BR>\n" );
document.write( "I wrote an equation of <BR>\n" );
document.write( "(s+t=400<BR>\n" );
document.write( "(.05s+.1t=40<BR>\n" );
document.write( "i tried solving but got stuck. am i on the right track? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #428807 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=428807\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "A 5% salt solution is mixed with a 10% salt solution. How many milliliters of each solution are needed to obtain 400 milliliters of an 8% solution.  \r<BR>\n" );
document.write( "\n" );
document.write( "s= number of milliliters of 5% salt solution<BR>\n" );
document.write( "t= number of milliliters of 10% s alt solution<BR>\n" );
document.write( "I wrote an equation of <BR>\n" );
document.write( "(s+t=400<BR>\n" );
document.write( "(.05s+.1t=40<BR>\n" );
document.write( "i tried solving but got stuck. am i on the right track?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Let amount of 5% salt solution to be mixed be F<BR>\n" );
document.write( "Then amount of 10% salt solution to be mixed = 400 – F<BR>\n" );
document.write( "Therefore, .05F + .1(400 – F) = .08(F + 400 – F)<BR>\n" );
document.write( ".05F + 40 - .1F = 32<BR>\n" );
document.write( ".05F - .1F = 32 – 40 <BR>\n" );
document.write( "- .05F = - 8<BR>\n" );
document.write( "F, or amount of 5% salt solution to be mixed = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-+8%29%2F-+.05 ALIGN=MIDDLE  ALT=\"%28-+8%29%2F-+.05\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28160%29 ALIGN=MIDDLE  ALT=\"highlight_green%28160%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > mL\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Amount of 10% salt solution to be mixed = 400 – 160, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28240%29 ALIGN=MIDDLE  ALT=\"highlight_green%28240%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > mL\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "OR\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Doing it your way:<BR>\n" );
document.write( "s + t = 400<BR>\n" );
document.write( ".05s + .1t = .08(400) ---- .05s + .1t = 32\r<BR>\n" );
document.write( "\n" );
document.write( "You can now solve for s and then t, or vice-versa\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "If you notice, you'll see that you're on the right track, with the exception that the 2nd equation should be .05s + .1t = 32, instead of .05s + .1t = 40\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "You can do the check!!\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );