document.write( "Question 426400: It takes a freight train 3 hours more to travel 280 miles than it takes an express train to travel 200 miles. The rate of the express is 10 miles per hour faster the the rate of the freight train. Fine the rates of both trains. \n" ); document.write( "

Algebra.Com's Answer #853207 by josgarithmetic(39702) $\"\"$ $\"About$

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( "Freight        r           280/r           280\r\n" );
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document.write( "Express        r+10        200/(r+10)      200\r\n" );
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document.write( "DIFFERENCE                   3\r\n" );
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\n" ); document.write( " $\"280%2Fr-200%2F%28r%2B10%29=3\"$ Solve this for r.\r
\n" ); document.write( "\n" ); document.write( "Start by multiply both sides by $\"r%28r%2B10%29\"$ .\r
\n" ); document.write( "\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( ". \n" ); document.write( "

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