melindachintoh116 melindachintoh116 06-01-2023 Mathematics contestada Alexander is taking part in a race. For the first 180 m he runs at 3 m/s. The remaining 240 m of the race takes him 100 seconds. What is Alexander's average speed, in m/s, over the whole race? If your answer is a decimal, give it to 2 d.p.
