Nicole left the White House and traveled toward the lake at an average speed of 45 km/h. Sometime later Cody left traveling in the same direction but at an average speed of 60 km/h. After traveling for three hours Cody caught up with Nicole. How long did Nicole travel before Cody caught up?


  1. Answer:
    Step-by-step explanation:
    To find total distance from Cody
    Speed = 60 km/h
    Time = 3 h
    Distance = Speed x Time
    Distance = 60 km/h x 3h = 180 km
    Cody travel 180km to catch up with Nicole
    To find Nicole Time of travel:
    180 km = 45 km/h x T
    Time = 180 km / 45 km/h = 4 h
    It takes 4 hrs for Nicole  to travel 180 km
    Therefore Cody start 1 hr later


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