31-05-2015
Mathematics

Answered

Alexa started a race with a 50 meter head start. She ran at a pace of 6.25 meters per second. After how many seconds was Alexa 200 meters past the starting line?

Verified Answer :

31-05-2015

-- She was 50 meters from the starting line when the gun sounded.

-- In order to get 200 meters from it, she has to run another (200-50)= 150 meters.

-- Running 150 meters takes her (150/6.25) = 24 seconds.

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