document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=141620>Question 141620</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The ideal maximum heart rate for 25 years old who burn fat is 117 beats per minute. For every 5 years older than 25, that ideal rate drops 3 beats per minute. Write a linear equation to find the ideal maximum over 25 who is exercising to burn fat. Graph the equation. Find the ideal maximum heart rate for a person exercising to burn fat who is 55 years old.     </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #103222 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=103222\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The ideal maximum heart rate for 25 years old who burn fat is 117 beats per minute. For every 5 years older than 25, that ideal rate drops 3 beats per minute. Write a linear equation to find the ideal maximum over 25 who is exercising to burn fat. Graph the equation. Find the ideal maximum heart rate for a person exercising to burn fat who is 55 years old.<BR>\n" );
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document.write( "Assign the given values as follows<BR>\n" );
document.write( "x1 = 25; y1 = 117\r<BR>\n" );
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document.write( "-3 beats for every 5 yrs, we know the slope will be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-3%2F5 ALIGN=MIDDLE  ALT=\"-3%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Find the equation using the point/slope formula<BR>\n" );
document.write( "y - 117 = -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F5 ALIGN=MIDDLE  ALT=\"3%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >(x - 25)<BR>\n" );
document.write( "y - 117 = -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F5 ALIGN=MIDDLE  ALT=\"3%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >x + 15<BR>\n" );
document.write( "y = -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F5 ALIGN=MIDDLE  ALT=\"3%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >x + 15 + 117<BR>\n" );
document.write( "y = -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F5 ALIGN=MIDDLE  ALT=\"3%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >x + 132<BR>\n" );
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document.write( "Graph this:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-20%2C+120%2C+-50%2C+180%2C+-.6x%2B132%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-20%2C+120%2C+-50%2C+180%2C+-.6x%2B132%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "\"Find the ideal maximum heart rate for a person exercising to burn fat who is 55 years old.\"<BR>\n" );
document.write( "Substitute 55 for x and find y in the above equation<BR>\n" );
document.write( "y = -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F5 ALIGN=MIDDLE  ALT=\"3%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >(55) + 132<BR>\n" );
document.write( "y = -33 + 132<BR>\n" );
document.write( "Y = 99 bbm for a 55 yr old<BR>\n" );
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