document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=357051>Question 357051</A>: <I><SPAN STYLE=\"word-break: break-all;\"> eric plans to compete in a triathlon. he can average 2 miles per hour in the 1/4-mile swim and 6 miles per hour in the 3-mile run. his goal is to finish the triathlon in 2 hours. to accomplish his goal what must his average speed, in miles per hour, be for the 15-mile bicycle ride?\r<BR>\n" );
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document.write( "the possible answers are: (1) 120/11    (2) 11     (3) 56/5    (4) 45/4    (5) 12  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #255046 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=255046\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> eric plans to compete in a triathlon. he can average 2 miles per hour in the<BR>\n" );
document.write( " 1/4-mile swim and 6 miles per hour in the 3-mile run. his goal is to finish<BR>\n" );
document.write( " the triathlon in 2 hours. <BR>\n" );
document.write( "to accomplish his goal what must his average speed, in miles per hour, be for<BR>\n" );
document.write( " the 15-mile bicycle ride?<BR>\n" );
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document.write( "Let s = his average biking speed<BR>\n" );
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document.write( "Write a time equation: time = dist/speed<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.25%2F2 ALIGN=MIDDLE  ALT=\".25%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F6 ALIGN=MIDDLE  ALT=\"3%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2Fs ALIGN=MIDDLE  ALT=\"15%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2<BR>\n" );
document.write( "Multiply by 6s, results:<BR>\n" );
document.write( "3s(.25) + 3s + 6(15) = 2(6s)<BR>\n" );
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document.write( ".75s + 3s + 90 + 12s<BR>\n" );
document.write( "3.75s - 12s = -90<BR>\n" );
document.write( "-8.25s = -90<BR>\n" );
document.write( "s = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-90%29%2F%28-8.25%29 ALIGN=MIDDLE  ALT=\"%28-90%29%2F%28-8.25%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "s = +10.91 mph biking speed, the fraction would be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=120%2F11 ALIGN=MIDDLE  ALT=\"120%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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