document.write( "Question 28656: A bicyclist leaves Bay Shore traveling at an average speed of 12 miles per hour. Three hours later, a car leaves Bay Shore, on the same route, traveling an average speed of 30 miles per hour. How many hours after the carleaves Bay Shore will the car catch up to the cyclist?
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document.write( "1) 8
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document.write( "2) 2
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document.write( "3) 5
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document.write( "4) 4 \n" );
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Algebra.Com's Answer #15596 by Paul(988)![]() ![]() ![]() You can put this solution on YOUR website! Let the time be x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "12(x+3)=30x \n" ); document.write( "12x+24=30x \n" ); document.write( "6x=24 \n" ); document.write( "x=4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hence, it will take about 4 hours. \n" ); document.write( "Paul. \n" ); document.write( " |