document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=904443>Question 904443</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two cars are placed in different cities A and B. The car of A starts its journey in 7 o-clock in the morning, the second car from B starts in 7:20 a.m. The first one arrives at B for 3 hr and 36 min and the second car for 2 hr and 42 min. When do they meet? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #548805 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=548805\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ): Two cars are placed in different cities A and B.<BR>\n" );
document.write( " The car of A starts its journey in 7 o-clock in the morning, the second car from B starts in 7:20 a.m.<BR>\n" );
document.write( " The first one arrives at B for 3 hr and 36 min and the second car for 2 hr and 42 min.<BR>\n" );
document.write( " When do they meet?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "convert 3 hr 36 min to 3.6 hrs<BR>\n" );
document.write( "convert 2 hr 42 min to 2.7 hrs<BR>\n" );
document.write( "We can choose a convenient value for the distance from A to B<BR>\n" );
document.write( "then<BR>\n" );
document.write( "240/3.6 = A's speed<BR>\n" );
document.write( "and<BR>\n" );
document.write( "240/2.7 = B's speed<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Construct an equation for each; A's travel time is 1/3 hr greater than B's<BR>\n" );
document.write( "Time in hrs on x axis, distance on the y axis<BR>\n" );
document.write( "A:<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240%2F3.6 ALIGN=MIDDLE  ALT=\"240%2F3.6\"   DISABLED_style= \"max-width:90%; height:auto;\" >(x + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3 ALIGN=MIDDLE  ALT=\"1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( "B:<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-240%2F2.7 ALIGN=MIDDLE  ALT=\"-240%2F2.7\"   DISABLED_style= \"max-width:90%; height:auto;\" >x + 240<BR>\n" );
document.write( "Plot these two equations<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-2%2C+5%2C+-50%2C+250%2C+%28240%2F3.6%29%28x%2B.3333%29%2C+%28-240%2F2.7%29x%2B240%29+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "intersection occurs at 1.4 hrs; which is 1 + .4(60) = 1 hr 24 min<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Add 1:24 to B's staring time<BR>\n" );
document.write( "7:20<BR>\n" );
document.write( "1:44<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "8:44 AM they meet<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );