document.write( "Question 1127533: Qui-Gon Jinn can run 1 km/hr faster than Mace Windu. Qui-Gon can run 20 km in the same time that it takes Mace to run 18 km. Find the speed of each Jedi. \n" ); document.write( "

Algebra.Com's Answer #743952 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "Let x be the speed of Mace Windu, in kilometers per hour.\r\n" );
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document.write( "Then the speed of Qui-Gon Jinn is (x+1) km/h.\r\n" );
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document.write( "The condition says\r\n" );
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document.write( "     = .\r\n" );
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document.write( "Cross multiply:\r\n" );
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document.write( "    20*x = 18*(x+1)\r\n" );
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document.write( "    20x = 18x + 18\r\n" );
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document.write( "    20x - 18x = 18\r\n" );
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document.write( "    2x = 18  ====>  x = 18/2 = 9.\r\n" );
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document.write( "Answer.  the rates are 9 and 10 kilometers per hour.\r\n" );
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