document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=154040>Question 154040</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395977258/algebrahomeworkh>Algebra and Trigonometry Structure and Method book 2</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I put in this problem before and I forgot to put something in the problem. I was wondering if someone could answer this problem again. I would deeply appreciate it. Please and Thank you. I have tried to work this problem and I can't seem to get it.\r<BR>\n" );
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document.write( "In a walkathon to raise money for charity, Elisa walked a certain distance at 5 mi/h and then jogged twice that distance at 8 mi/h. Her total time walking and jogging was 2 h and 15 min. How many miles long was the walkathon? (hint: time=distance over rate.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #113385 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=113385\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a decent hint __ let's use it\r<BR>\n" );
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document.write( "\" Elisa walked a certain distance at 5 mi/h\" __ Tw=d/5\r<BR>\n" );
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document.write( "\"then jogged twice that distance at 8 mi/h\" __ Tj=2d/8=d/4\r<BR>\n" );
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document.write( "total distance equals d+2d or 3d __ total time equals 2h and 15 min or 9/4 h\r<BR>\n" );
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document.write( "Tw+Tj=9/4 __ substituting __ (d/5)+(d/4)=9/4 __ multiplying by 20 __ 4d+5d=45 __ 9d=45 __ dividing by 9 __ d=5\r<BR>\n" );
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document.write( "total distance equals 3*(5) or 15 mi </SPAN>\n" );
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