document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=495706>Question 495706</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Theophylline, an asthma medicine, is to be prepared from an elixir with a drug concentration of 5 mg/mL and a cherry - flavored syrup that is to be added to hide the taste of the drug. How much of each must be used to prepare 100 milliliters of solution with a drug concentration of 2 mg/mL?<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 #336154 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=336154\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Theophylline, an asthma medicine, is to be prepared from an elixir with a drug concentration of 5 mg/mL and a cherry - flavored syrup that is to be added to hide the taste of the drug. <BR>\n" );
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document.write( "How much of each must be used to prepare 100 milliliters of solution with a drug concentration of 2 mg/mL?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "theo + theo = theo<BR>\n" );
document.write( "5x + 0*(100-x) = 2(100)<BR>\n" );
document.write( "4x = 200<BR>\n" );
document.write( "x = 50 ml (amt. of 5mg/mL needed)<BR>\n" );
document.write( "100-x = 50 ml (amt of syrup needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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