In a marathon race, Chad is out in front, running due north at a speed of 4.09 m/s. John is 94 m behind him, running due north at a speed of 4.28 m/s. How long does it take for John to pass Chad?

Answer 1

C runs 4.09 t meters

C runs 4.28 t meters

4.28 t - 4.09 t = 94