document.write( "Question 1124762: The circuit of a motor racing track is 3 km in length. In a race, a car goes 25 times round the circuit in 30 minutes. What is the average speed of the car?
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document.write( "a. 75 km/hour
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document.write( "b. 90 km/hour
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document.write( "c. 150 km/hour
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document.write( "d. 750 km/hour \n" );
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Algebra.Com's Answer #741068 by ikleyn(52778)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "The total distance is 25*3 = 75 kilometers.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "30 minutes = 0.5 of an hour.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The average speed =\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |