How many hours will it take the bullock cart to travel 20 km

Reference no: EM131161882

A bullock cart can travel at the rate of 4 kmph for the first two hours of a trip. After the firsttwo hours, the bullock cart's speed drops to 3 kmph. How many hours will it take thebullock cart to travel 20 km?

a) 5

b)214

c)315

d)21

Reference no: EM131161882

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