document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=176867>Question 176867</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/013062568X/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Carlos can travel 40 mi on his motorbike in the same time it takes Paul to travel 15 mi on his bicycle. If Paul rides his bike 20 mi/h slower than Carlos rides his motorbike, find the speed for each bike. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #131959 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=131959\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Carlos can travel 40 mi on his motorbike in the same time it takes Paul to<BR>\n" );
document.write( " travel 15 mi on his bicycle. If Paul rides his bike 20 mi/h slower than<BR>\n" );
document.write( " Carlos rides his motorbike, find the speed for each bike.<BR>\n" );
document.write( "; <BR>\n" );
document.write( "let s = motorbike speed<BR>\n" );
document.write( "then<BR>\n" );
document.write( "(s-20) = bike speed<BR>\n" );
document.write( ";<BR>\n" );
document.write( "write a time equation; time = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=dist%2Fspeed ALIGN=MIDDLE  ALT=\"dist%2Fspeed\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "C's travel time = P's travel time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40%2Fs ALIGN=MIDDLE  ALT=\"40%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2F%28s-20%29 ALIGN=MIDDLE  ALT=\"15%2F%28s-20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "cross multiply<BR>\n" );
document.write( "40(s-20) = 15s<BR>\n" );
document.write( ";<BR>\n" );
document.write( "40s - 800 = 15s<BR>\n" );
document.write( ";<BR>\n" );
document.write( "40s - 15s = 800<BR>\n" );
document.write( "25s = 800<BR>\n" );
document.write( "s = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=800%2F25 ALIGN=MIDDLE  ALT=\"800%2F25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "s = 32 mph is the motorbike<BR>\n" );
document.write( ";<BR>\n" );
document.write( "you can find bike speed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );