document.write( "Question 586113: Mark rides his bike 100 meters in 5 min,225 meters in 8 mins. and 175 meters in 7 mins.what is his average speed?
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Algebra.Com's Answer #373614 by stanbon(75887)\"\" \"About 
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Mark rides his bike 100 meters in 5 min,225 meters in 8 mins. and 175 meters in 7 mins.what is his average speed?
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\n" ); document.write( "average speed = total distance/total time
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\n" ); document.write( "speed = (100+225+175)/(5+8+7) = 500/20 = 25 meters per minutes
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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