A car passes a landmark on a highway traveling at a constant rate of

55

kilometers per hour. One hour later, a second car passes the same landmark traveling in the same direction at

63

kilometers per hour. How much time after the second car passes the landmark will it overtake the first car?

Question

Emanuel Pitts

Mathematics

29 December, 20:18

A car passes a landmark on a highway traveling at a constant rate of

55

kilometers per hour. One hour later, a second car passes the same landmark traveling in the same direction at

63

kilometers per hour. How much time after the second car passes the landmark will it overtake the first car?

+3

Answers (1)

Know the Answer?

Ronan Callahan · Answer 1

let t be the distance for the second car to catch the first car where thefirst car is 55 km ahead

distance = speed * time

63t = 55t + 55

63t - 55t = 55

8t = 55

t = 55/8

t = 6.88 hrs or 6 hrs 53min

A car passes a landmark on a highway traveling at a constant rate of55kilometers per hour. One hour later, a second car passes the same landmark traveling in the same direction at63kilometers per hour. How much time after the second car passes the landmark will it overtake the first car?

A car passes a landmark on a highway traveling at a constant rate of

55

kilometers per hour. One hour later, a second car passes the same landmark traveling in the same direction at

63

kilometers per hour. How much time after the second car passes the landmark will it overtake the first car?