Madie drove 200 miles at a speed of 50 mph. Which equation will help you find the number of hours she was driving? (NO WRONG ANSWERS)
A. 50 miles/1 hour = 200 miles/? hours
B. 50 miles/1 hour = ? hours/200 miles
C. 200 miles/1 hour = 50 miles/? hours
D. 200 miles/1 hour = ? hours/50 miles