Problema Solution
Two cars start at the same point and travel in opposite directions at average speeds of 40 and 55 miles per hour. How much time must elapse before the two cars are 170 miles apart?
Answer provided by our tutors
Relative speed of the cars = 40 + 55 = 95 miles/hr
Time taken to be 170 miles apart = 170/55 hr = 3.09 hr ≈ 3 hrs 5 min Ans