document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1167592>Question 1167592</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have a quiz tomorrow and I have been studying in math but I just cant wrap my head around these type of questions. I would really appreciate it if someone could walk me through it in detail. Question down below.<BR>\n" );
document.write( "  Batman leaves the airport in the Bat-copter at a speed of 240 mph   <BR>\n" );
document.write( " Wonder Woman leaves the same airport in her invisible airplane three hours <BR>\n" );
document.write( " later, how long will it take her to catch up if she is traveling at a speed <BR>\n" );
document.write( " of 600 mph \r<BR>\n" );
document.write( "\n" );
document.write( "I would appreciate if you get use D1 and D2 for your variables as they stand for distance 1 and distance 2 and we use those in class. I know you have to use a variable for time so could you use t for that and make a note explaining what t means. Please and thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #792179 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=792179\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Batman flies for 3 hours more than Wonder Woman.  So<br><BR>\n" );
document.write( "let t = hours Wonder Woman flies<BR>\n" );
document.write( "then t+3 = hours Batman flies<br><BR>\n" );
document.write( "There is no need for variables to represent the distances, because when Wonder Woman catches up to Batman their distances are the same.  However, since that is apparently what you are doing in class....<br><BR>\n" );
document.write( "D1 = Batman's distance (t+3 hours at 240 mph) = 240(t+3)<BR>\n" );
document.write( "D2 = Wonder Woman's distance (t hours at 600 mph) = 600(t)<br><BR>\n" );
document.write( "The two distances are the same:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240%28t%2B3%29+=+600%28t%29 ALIGN=MIDDLE  ALT=\"240%28t%2B3%29+=+600%28t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240t%2B720+=+600t ALIGN=MIDDLE  ALT=\"240t%2B720+=+600t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=720+=+360t ALIGN=MIDDLE  ALT=\"720+=+360t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+2 ALIGN=MIDDLE  ALT=\"t+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "ANSWER: Wonder Woman catches up with Batman after t=2 hours.<br><BR>\n" );
document.write( "CHECK:<BR>\n" );
document.write( "Batman t+3 = 5 hours at 240 mph = 5(240) = 1200 miles<BR>\n" );
document.write( "Wonder Woman t = 2 hours at 600 mph = 2(600) = 1200 miles<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );