document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=990879>Question 990879</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car and a bicycle were travelling towards each other. The car travels at the rate of 20 km/hr and the bicycle at the rate of 15 km/hr. If the distance between them is 140 kilometres, how long will it take for them to meet each other? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #610859 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52778)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=610859\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "<B>Answer</B>. &nbsp;t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=140%2F%2820%2B15%29 ALIGN=MIDDLE  ALT=\"140%2F%2820%2B15%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=140%2F35 ALIGN=MIDDLE  ALT=\"140%2F35\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 4 hours.\r<BR>\n" );
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document.write( "<B>Solution</B>\r<BR>\n" );
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document.write( "Let &nbsp;<B>t</B>&nbsp; be the time they travel before to meet each the other.\r<BR>\n" );
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document.write( "Then the car will cover &nbsp;20*t &nbsp;kilometers, &nbsp;and the bicycle will cover &nbsp;15*t &nbsp;kilometers. \r<BR>\n" );
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document.write( "The sum of these distances is exactly &nbsp;140 km.\r<BR>\n" );
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document.write( "So, you have an equation\r<BR>\n" );
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document.write( "20*t + 15*t = 140.\r<BR>\n" );
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document.write( "Solve it:\r<BR>\n" );
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document.write( "(20 + 15)*t = 140,\r<BR>\n" );
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document.write( "35*t = 140,\r<BR>\n" );
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document.write( "t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=14%2F35%29 ALIGN=MIDDLE  ALT=\"14%2F35%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 4 hours.\r<BR>\n" );
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document.write( "You may want to look into the lesson &nbsp;<A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/word/travel/Travel-and-Distance-problems.lesson>Travel and Distance problems</A>&nbsp; in this site where you will find the examples of problems similar to yours.\r<BR>\n" );
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document.write( "It is free of charge and without registration.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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