document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=757130>Question 757130</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mixture containing 10% salt is to be mixed with 4 ounces of a mixture that is 20% salt, in order to obtain a 15% solution that is  salt. How much of the first solution must be used? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #460674 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=460674\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The description seems to deal with \"masses\". \r<BR>\n" );
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document.write( "Let m= ounces of the 10% solution to use.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810m%2B20%2A4%29%2F%28m%2B4%29=15 ALIGN=MIDDLE  ALT=\"%2810m%2B20%2A4%29%2F%28m%2B4%29=15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "And you know from the numbers given that m must be exactly 4 ounces, because you would want equal amounts of the 10% and the 20% to achieve the 15%, exactly in the middle of the two available solutions.\r<BR>\n" );
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document.write( "That above is the equation.  Solve for m.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10m%2B20%2A4=15%28m%2B4%29 ALIGN=MIDDLE  ALT=\"10m%2B20%2A4=15%28m%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2m%2B16=3%28m%2B4%29 ALIGN=MIDDLE  ALT=\"2m%2B16=3%28m%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2m%2B16=3m%2B12 ALIGN=MIDDLE  ALT=\"2m%2B16=3m%2B12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16=m%2B12 ALIGN=MIDDLE  ALT=\"16=m%2B12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16-12=m ALIGN=MIDDLE  ALT=\"16-12=m\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=4 ALIGN=MIDDLE  ALT=\"m=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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