document.write( "Question 904026: A relay race required runners to run from Point A to Point B, and then back from Point B to Point A. The distance from Point A to Point B is 22 km. On the return trip (Point B to Point A) the runners average speed decreased by 1.2 km/h. If the relay took 10.5 hours for the runners to complete, what was the average speed from Point A to Point B?
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document.write( "A) 4.87 km/h
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document.write( "B) 3.67 km/h
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document.write( "C) 0.515 km/h
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document.write( "D) 4.19 km/h \n" );
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Algebra.Com's Answer #548476 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "r*t=d \n" ); document.write( "r=d/t \n" ); document.write( "(2*22)/10.5=4.19 \n" ); document.write( " |