document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=156898>Question 156898</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the problem. Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 84 miles in the same time that Dana travels 78 miles. If Chuck's rate of travel is 3 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115719 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=115719\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 84 miles in the same time that Dana travels 78 miles. If Chuck's rate of travel is 3 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?<BR>\n" );
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document.write( "Let s = C's traveling speed<BR>\n" );
document.write( "then<BR>\n" );
document.write( "(s-3) = D's speed<BR>\n" );
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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" );
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document.write( "Given that:<BR>\n" );
document.write( "C's time = D's time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=84%2Fs ALIGN=MIDDLE  ALT=\"84%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=78%2F%28%28s-3%29%29 ALIGN=MIDDLE  ALT=\"78%2F%28%28s-3%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "84(s-3) = 78s<BR>\n" );
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document.write( "84s - 252 = 78s<BR>\n" );
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document.write( "84s - 78s = +252<BR>\n" );
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document.write( "6s = 252<BR>\n" );
document.write( "s = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=252%2F6 ALIGN=MIDDLE  ALT=\"252%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "s = 42 mph is C's speed<BR>\n" );
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document.write( "Check solution find the times, confirm they are equal<BR>\n" );
document.write( "84/42 = 2 hr<BR>\n" );
document.write( "78/39 = 2 hr<BR>\n" );
document.write( " </SPAN>\n" );
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