document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=921633>Question 921633</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car and a bus set out at 2pm from the same point headed in the same direction the average speed of the ca r is 30 mph slower than twice the speed of the bus. In two hours, the car is 20 miles ahead of the bus what is the speed of the car?\r<BR>\n" );
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document.write( "What i have done:<BR>\n" );
document.write( "Suppose the speed of the bus is x. Then the speed of the car will be 2x-30.<BR>\n" );
document.write( "We need to find speed so speed=Distance/Time.<BR>\n" );
document.write( "Please help me after that as i am not able to proceed further.<BR>\n" );
document.write( "The options are a)40mph  b)50mph  c)60mph  d)70mph </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #559127 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=559127\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your variable description for speeds of car and bus are inconvenient.  Set r as the unknown speed of the bus.  The speed then for the car is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-30%2B2r ALIGN=MIDDLE  ALT=\"-30%2B2r\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or 2r-30 for the car.  The car is going faster than the bus.\r<BR>\n" );
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document.write( "__________________speeds__________time__________distance<BR>\n" );
document.write( "CAR_______________2r-30___________2_____________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282r-30%29%2A2 ALIGN=MIDDLE  ALT=\"%282r-30%29%2A2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "BUS_________________r_____________2______________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%2A2 ALIGN=MIDDLE  ALT=\"r%2A2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The distance difference described makes for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%282r-30%292-r%2A2=20%29 ALIGN=MIDDLE  ALT=\"highlight%28%282r-30%292-r%2A2=20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Solve for r, which is the SPEED of the BUS. </SPAN>\n" );
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