Solve this math problem plz. :) I need full explanation. I'm struggling.

Answer:
12.5 Km / hour
Step-by-step explanation:
Average speed (s) is calculated as
s = [tex]\frac{distance}{time}[/tex]
distance covered is 50 Km and time taken is 4 hours, then
s = [tex]\frac{50}{4}[/tex] = 12.5 Km/ hour