document.write( "Question 1147224: 3.[4pts] A cyclist traveled 12 kilometers per hour faster than an in-line skater. In the time it took the cyclist to travel 75 kilometers, the skater had gone 45 kilometers. Find the speed of the skater. \n" ); document.write( "
Algebra.Com's Answer #768533 by ikleyn(52910)\"\" \"About 
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document.write( "Let x be the speed of the skater, in km/h.\r\n" );
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document.write( "Then the speed of the cyclist is  (x+12) km/h.\r\n" );
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document.write( "The problem says\r\n" );
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document.write( "    \"75%2F%28x%2B12%29\" = \"45%2Fx\"\r\n" );
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document.write( "It is your \"time\" equation.\r\n" );
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document.write( "To solve it, cross-multiply.\r\n" );
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document.write( "You will get a simple linear equation, which (I hope) you can easily solve on your own.\r\n" );
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