Answer:
7.4 meters per second
Explanation:
To find the average running rate in meters per second, we must divide the total number of meters by the total number of seconds.
meters/seconds
The sprinter ran 400 meters in 54 seconds.
400 meters/54 seconds
400/54
Divide
7.40740740741
Round to the nearest tenth. The zero in the hundreth place indicates that we keep the tenth place as is.
7.4
The runner's average rate is about 7.4 meters per second