Ariel travels 400 miles in 8 hours. What is her rate of change or rate?
A) 40 miles per hour
B) 50 miles per hour
C) 55 miles per hour
D) 60 miles per hour

Respuesta :

Hello there.

Ariel travels 400 miles in 8 hours. What is her rate of change or rate?

Rate of change is defined as 
change in distance
change in time

400 
÷ 8 = 50

Answer: B) 50 miles per hour 
the answer is B
here's my answer