document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=833317>Question 833317</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two formulas that approximate the dosage of a drug prescribed for children are:<BR>\n" );
document.write( "Young's Rule: C=DA/A+12<BR>\n" );
document.write( "Cowling's Rule: C=D(A+1)/24<BR>\n" );
document.write( "A= Child's age in years<BR>\n" );
document.write( "D= Adult dosage<BR>\n" );
document.write( "C= Proper child dosage\r<BR>\n" );
document.write( "\n" );
document.write( "For a 6 year old child, what is the difference in the dosage for the two given formulas. Express your answer as a single rational expression in terms of D. What does this answer mean in terms of variables. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #502501 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=502501\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two formulas that approximate the dosage of a drug prescribed for children are:<BR>\n" );
document.write( "Young's Rule: C=DA/A+12<BR>\n" );
document.write( "Cowling's Rule: C=D(A+1)/24<BR>\n" );
document.write( "A= Child's age in years<BR>\n" );
document.write( "D= Adult dosage<BR>\n" );
document.write( "C= Proper child dosage <BR>\n" );
document.write( "For a 6 year old child, what is the difference in the dosage for the two given formulas. Express your answer as a single rational expression in terms of D. What does this answer mean in terms of variables.<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Young: (D*6)/(6+12) = (6D)/18 = D/3<BR>\n" );
document.write( "Cowling: D(6+1)/24 = (7/24)D<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Dosage difference: D/3 - (7D/24) = (8D/24)-(7D/24) = D/24<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "The difference for a 6 yr. old child is (1/24)th of the adult dosage.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "===================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );