document.write( "Question 281839: 12. A car travels a distance of 250 miles, 700 miles and 325 miles at the rate of 50 miles/hr, 35 miles/hr and 13 miles/hr respectively.Find the average speed of the car in miles/hr.
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document.write( "A. 30
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document.write( "B. 25.5
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document.write( "C. 42.5
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document.write( "D. 13
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document.write( "E. 50\r
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document.write( "Hello!
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document.write( "Can you please show me step by step how to solve the answer.
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document.write( "Thank you
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document.write( "Tania \n" );
document.write( "
Algebra.Com's Answer #204727 by mananth(16946)![]() ![]() You can put this solution on YOUR website! A car travels a distance of 250 miles, 700 miles and 325 miles at the rate of 50 miles/hr, 35 miles/hr and 13 miles/hr respectively.Find the average speed of the car in miles/hr. \n" ); document.write( "A. 30 \n" ); document.write( "B. 25.5 \n" ); document.write( "C. 42.5 \n" ); document.write( "D. 13 \n" ); document.write( "E. 50\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "250 miles at 50 mph\r \n" ); document.write( "\n" ); document.write( "time taken = 250/50 = 5 hours------------ time = distance / rate\r \n" ); document.write( "\n" ); document.write( "700 miles at 35 mph\r \n" ); document.write( "\n" ); document.write( "time taken = 700/35= 20 hours\r \n" ); document.write( "\n" ); document.write( "325 miles at 13 mph\r \n" ); document.write( "\n" ); document.write( "time taken = 325/13 = 25 hours\r \n" ); document.write( "\n" ); document.write( "total distance traveled at all three speeds = 250+700+325=1275 miles\r \n" ); document.write( "\n" ); document.write( "Total time taken to travel 1275 miles = 50 hours\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The average speed will be 1275 /50 = 25.5 mph \n" ); document.write( " |