Mathematics, 13.10.2020 23:01 missdaisy789
Tim goes on a car journey. For the first 15 minutes his average speed is 40 mph. He then stops for 25 minutes. He then completes the journey at an average speed of 45 mph. The total journey time is 1 hour. What is the average speed of the whole journey?
Answers: 2
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Tim goes on a car journey. For the first 15 minutes his average speed is 40 mph. He then stops for 2...
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