document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=174710>Question 174710</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Bill rides his bike 3 mi to Fred's house and then walks with Fred the remaining 1 mi to school, it will take him 30 min. But if he rides the entire distance, it will take him only 20 min. Find his biking speed and walking speed.\r<BR>\n" );
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document.write( "for this equation, i tried to set the problems up like this:\r<BR>\n" );
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document.write( "3 b + 1 w= 30 min<BR>\n" );
document.write( "b = 20 min\r<BR>\n" );
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document.write( "3(20) + 1 w = 30 <BR>\n" );
document.write( "60 + 1 w = 30<BR>\n" );
document.write( "-60       -60<BR>\n" );
document.write( "1 w = -30<BR>\n" );
document.write( "I would like to see if this is a correct way to work. If not, then please assist me. I would really appreciate it!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #129762 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=129762\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> lets call Rate walking<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5Bw%5D ALIGN=MIDDLE  ALT=\"r%5Bw%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >and rate biking<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5Bb%5D ALIGN=MIDDLE  ALT=\"r%5Bb%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "d=rt<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4=r%5Bb%5D%281%2F3%29 ALIGN=MIDDLE  ALT=\"4=r%5Bb%5D%281%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >............20 min =1/3 hr<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28r%5Bb%5D=12%29 ALIGN=MIDDLE  ALT=\"highlight%28r%5Bb%5D=12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >mph<BR>\n" );
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document.write( "so for the bike to travel 3 miles lets find the time<BR>\n" );
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document.write( "3=12t--->t=3/12=1/4 hr<BR>\n" );
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document.write( "so if the total time for biking and walking is 1/2 hr<BR>\n" );
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document.write( "then the time for walking 1 mile is 1/4 hr(1/2-1/4)<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1=r%5Bw%5D%281%2F4%29 ALIGN=MIDDLE  ALT=\"1=r%5Bw%5D%281%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28r%5Bw%5D=4%29 ALIGN=MIDDLE  ALT=\"highlight%28r%5Bw%5D=4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >mph </SPAN>\n" );
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