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39 votes
39 votes
Tim goes in a car journey. for the first 15 minutes his average speed is 40mph. he then stops for 25 minutes. he then completes the journey at an average speed of 45mph. the total journey time is 1 hour.

User Kinetic
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1 Answer

27 votes
27 votes

15 + 20 equals to 35, 60 - 35 equals to 25 so so his total journey is 1 hour

User While
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