Problema Solution
an airline travels 115 miles in 15 minutes. What is it's speed in miles per hour?
Answer provided by our tutors
d = 115 mi is the distance
t = 15 min = 15/60 hr = 0.25 hr is the time of the travel
v = the average speed
Since average speed = distance/time we have:
v = d/t
v = 115/0.25
v = 460 mph
The speed of the plane is 460 miles per hour.