document.write( "Question 1151093: Galloping at 15m/s instead of 20m/s, George the jockey takes 35 seconds longer to finish his race. How long was the racecourse, in kilometers? \n" ); document.write( "

Algebra.Com's Answer #772718 by ikleyn(52908) $\"\"$ $\"About$

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document.write( "Let \"d\" be the race course length.\r\n" );
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document.write( "Write the time equation\r\n" );
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document.write( "     -  = 35  seconds.\r\n" );
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document.write( "Notice that all and each terms of the equations are times.\r\n" );
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document.write( "To solve the equation, multiply it by 60 (both sides). You will get\r\n" );
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document.write( "    4d - 3d = 60*35\r\n" );
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document.write( "     d      = 2100.\r\n" );
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document.write( "ANSWER.  The race course is 2100 meters long.\r\n" );
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