document.write( "Question 1186015: A car traveled the first 100 kilometers of a trip at one speed and the last 135 kilometers at an average of 5 kilometers per hour less. If the entire trip took 5 hours, what was the average speed of the car for the first part of the trip? (Applying quadratic equations) \n" ); document.write( "
Algebra.Com's Answer #816894 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "                     SPEED         TIME           DISTANCE\r\n" );
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document.write( "first                 r           100/r            100\r\n" );
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document.write( "last                 r-5        135/(r-5)      135\r\n" );
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document.write( "SUM                                 5\r\n" );
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\n" ); document.write( "\"100%2Fr%2B5%2F%28r-5%29=5\"
\n" ); document.write( "In simplifying and solving this equation, a quadratic equation will occur.\r
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document.write( "                     SPEED         TIME           DISTANCE\r\n" );
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document.write( "first                 r           100/r            100\r\n" );
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document.write( "last                 r-135        135/(r-135)      135\r\n" );
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document.write( "SUM                                 5\r\n" );
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\n" ); document.write( "\"100%2Fr%2B135%2F%28r-135%29=5\"
\n" ); document.write( "In simplifying and solving this equation, a quadratic equation will occur. \n" ); document.write( "
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