document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=907018>Question 907018</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help solving problems like\r<BR>\n" );
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document.write( "A nurse wishes to add 30 ounces of a 10% solution of benzalkonium Chloride to dilute a 4% solution. How much water should she add? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #550132 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=550132\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Only a guess that the starting 30 is as fluid ounces and the salt is percent mass per volume.  The nurse would add some v fluid ounces of water:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2A10%2F%28v%2B30%29=4 ALIGN=MIDDLE  ALT=\"30%2A10%2F%28v%2B30%29=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=300=4%28v%2B30%29 ALIGN=MIDDLE  ALT=\"300=4%28v%2B30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4v%2B120=300 ALIGN=MIDDLE  ALT=\"4v%2B120=300\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4v=180 ALIGN=MIDDLE  ALT=\"4v=180\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=%282%2A5%2A2%2A9%29%2F%284%29 ALIGN=MIDDLE  ALT=\"v=%282%2A5%2A2%2A9%29%2F%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28v=45%29 ALIGN=MIDDLE  ALT=\"highlight%28v=45%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > fluid ounces of water<BR>\n" );
document.write( "(This checks as correct.)\r<BR>\n" );
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document.write( "CHECK ANSWER:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2A10%2F%2845%2B30%29 ALIGN=MIDDLE  ALT=\"30%2A10%2F%2845%2B30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=300%2F75 ALIGN=MIDDLE  ALT=\"300%2F75\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "simplify<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25%2A12%2F%2825%2A3%29 ALIGN=MIDDLE  ALT=\"25%2A12%2F%2825%2A3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2F3 ALIGN=MIDDLE  ALT=\"12%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%284%29 ALIGN=MIDDLE  ALT=\"highlight%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Check is perfect. </SPAN>\n" );
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