document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=254942>Question 254942</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The body mass index, I, can be used to determine an individual’s risk for heart disease. An index less than 25 indicates a low risk. The body mass index is given by the formula, or model. I=700W/H2, where W=weight, in pounds, and H=height, in inches. Jerome is 67 inches tall. What weights will keep his body mass index between 23 and 33?  <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #187322 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=187322\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I = 700*W/H2<BR>\n" );
document.write( "W = weight in pounds<BR>\n" );
document.write( "H = height in inches\r<BR>\n" );
document.write( "\n" );
document.write( "< 25 = low risk\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "I presume when you says H2, you mean <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%5E2 ALIGN=MIDDLE  ALT=\"h%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Jerome is 67 inches tall.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "the formula to work with is:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=700%2AW+%2F+h%5E2+%3C+25 ALIGN=MIDDLE  ALT=\"700%2AW+%2F+h%5E2+%3C+25\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "substitute 67 for h to get:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=700%2AW+%2F+%2867%29%5E2+%3C+25 ALIGN=MIDDLE  ALT=\"700%2AW+%2F+%2867%29%5E2+%3C+25\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "In order for his index to be between 23 and 33, this formula needs to be modified as follows:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=700%2AW+%2F+%2867%29%5E2+%3E=+23 ALIGN=MIDDLE  ALT=\"700%2AW+%2F+%2867%29%5E2+%3E=+23\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=700%2AW+%2F+%2867%29%5E2+%3C=+33 ALIGN=MIDDLE  ALT=\"700%2AW+%2F+%2867%29%5E2+%3C=+33\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "for greater than or equal to 23, the formula is:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=700%2AW+%2F+%2867%29%5E2+%3E=+23 ALIGN=MIDDLE  ALT=\"700%2AW+%2F+%2867%29%5E2+%3E=+23\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "multiply both sides of this equation by (67)^2 = 4489 to get:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=700%2AW+%3E=+23%2A4489 ALIGN=MIDDLE  ALT=\"700%2AW+%3E=+23%2A4489\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "divide both sides of this equation by 700 to get\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W+%3E=+%2823%2A4489%29%2F700 ALIGN=MIDDLE  ALT=\"W+%3E=+%2823%2A4489%29%2F700\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Solve for W to get:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "W >= 147.4957143\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Similarly, the second equation of:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=700%2AW+%2F+%2867%29%5E2+%3C=+33 ALIGN=MIDDLE  ALT=\"700%2AW+%2F+%2867%29%5E2+%3C=+33\"   DISABLED_style= \"max-width:90%; height:auto;\" > becomes:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W+%3C=+%2833%2A4489%29%2F700 ALIGN=MIDDLE  ALT=\"W+%3C=+%2833%2A4489%29%2F700\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Solve for W to get:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "W <= 211.6242857\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "To the nearest tenth of a pound, Jerome needs to keep his weight between 147.5 and 211.6 pounds in order to keep his index between 23 and 33.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );