document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1080072>Question 1080072</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this word problem on finding the average speed...\r<BR>\n" );
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document.write( "Julio left the hospital and drove toward his friend's house.  One hour later Chelsea left driving 10 km/h faster in an effort to catch up to him.  After four hours Chelsea finally caught up.  Find Julio's average speed. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #694316 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=694316\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let s = J's speed<BR>\n" );
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document.write( "(s+10) = C's speed<BR>\n" );
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document.write( "Julio left the hospital and drove toward his friend's house.<BR>\n" );
document.write( " One hour later Chelsea left driving 10 km/h faster in an effort to catch up to him.<BR>\n" );
document.write( " After four hours Chelsea finally caught up.<BR>\n" );
document.write( " Find Julio's average speed.<BR>\n" );
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document.write( "We know that from the information given, that that:<BR>\n" );
document.write( "J's travel time = 5 hrs (1 hr more than C's) <BR>\n" );
document.write( "C's travel time = 4 hrs<BR>\n" );
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document.write( "We know that when C catches J, they will have traveled the same distance.<BR>\n" );
document.write( "Write a distance equation: dist = time * speed<BR>\n" );
document.write( "J's dist = C's dist<BR>\n" );
document.write( "5s = 4(s+10)<BR>\n" );
document.write( "5s = 4s + 40<BR>\n" );
document.write( "5s - 4s = 40<BR>\n" );
document.write( "s = 40 mph is J's speed<BR>\n" );
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document.write( "Confirm this solution, find the actual dist of each<BR>\n" );
document.write( "5(40) = 200 mi<BR>\n" );
document.write( "4(40+10) = 200 mi<BR>\n" );
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