Question

If an earthquake wave travels a distance of 4000m in 8 seconds, how fast is the earthquake wave traveling?

Answer 1

S = d/t
S = 4000m/8s = 500 m/s
The earthquake wave is traveling 500 m/s

Answer 2

4000 ÷ 8 = 500

Its 500 m/s as shown in the calculation above.