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To warm up, Coach Hadley had his swim team swim nine 50-meter long laps. It took the team 5 minutes to finish the warm up. How fast did the team swim in centimeters per second?

Answer :

defeaningemptiness
9*50=450 so they swam a total of 450 meters
1 meter=100 centimeters so 450*100=45,000 cm
1 minute=60 seconds so 5*60=300 seconds
45000/300=150 cm/sec

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