document.write( "Question 1038783: A starts travelling from London to Paris at 8AM at 60mph. B starts following Aat 11am and catches A in 4 hours. What is Average speed of B??\r
\n" ); document.write( "\n" ); document.write( "Jane travels 60mph at 30mph and another 90mph at 30mph what is average velocity for entire trip
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Algebra.Com's Answer #653504 by josgarithmetic(39629)\"\" \"About 
You can put this solution on YOUR website!
Choose to handle time quantities instead of points on a time line.\r
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document.write( "                  SPEED      TIME      DISTANCE\r\n" );
document.write( "traveler A         60         4+3        d\r\n" );
document.write( "traveler B         r           4         d\r\n" );
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\n" ); document.write( "\n" ); document.write( "Follow the description and examine how the data table matches.\r
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\n" ); document.write( "\n" ); document.write( "\"system%28%2860%29%287%29=d%2C%28r%29%284%29=d%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"420=4r\" because the two expressions for d are equal.\r
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\n" ); document.write( "\n" ); document.write( "\"r=21%2A2%2A2%2A5%2F%282%2A2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28r=105%29\"
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