document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=886341>Question 886341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Point A and B are 70 km. a part on a highway. A car starts from A and another car starts from B simultaneously. If they travel in the same directing, they meet in 7 hours, but if they travel towards each other, they meet in one hour. Find the speed of the two cars. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #535849 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=535849\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let A = rate for car departing A<BR>\n" );
document.write( "Let B = rate for car departing B\r<BR>\n" );
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document.write( "_______________________rate________time________distance<BR>\n" );
document.write( "Same direction_________A-B__________7___________70<BR>\n" );
document.write( "towards-opposite_______A+B__________1___________70\r<BR>\n" );
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document.write( "Understand that data table before continuing.  Really we do not know if A or B is the larger (positive) speed.  We have nothing to distinguish car A from car B.  \r<BR>\n" );
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document.write( "Now, based on uniform rates for Travel, we have two equations based on RT=D rate time distance.\r<BR>\n" );
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document.write( "_______________________rate________time________distance___Equations<BR>\n" );
document.write( "Same direction_________A-B__________7___________70________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%28A-B%29%2A7=70%29 ALIGN=MIDDLE  ALT=\"highlight%28%28A-B%29%2A7=70%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "towards-opposite_______A+B__________1___________70________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%28A%2BB%29%2A1=7%29 ALIGN=MIDDLE  ALT=\"highlight%28%28A%2BB%29%2A1=7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Two equations in two unknowns; Solve for A and B. </SPAN>\n" );
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