Question

a sprinter runs 400 meters in 54 seconds.What is the runners average running rate in meters per second?Round to the nearest tenth

Answer 1

You want to find meters per second.
So meters goes over seconds
$400 meters/54 seconds$
Now pull out the calculator.
You should get ≈ $7.4 \frac{m}{s}$, or 7.4 meters per second