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Car A starts travelling at 9 am at the speed of 60 mph car b starts following car a at 10 am and catches up at 12 pm what is the speed of the car b?
Wiki User
∙ 14y ago
Distance = rate * time
Car A: d = 60mph * 3 hours = 180 miles
Car B: 180 miles = r * 2 hrs
r = 180/2 hrs = 90 mph
Wiki User
∙ 14y ago
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