A bus travels 49 kilometres in one hour. How much will it travel in 36 hours?
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Answer:
The bus moves 36km for the 1st hour and 36km for the 2nd hour. So the distance covered in thise 2 hours was 72km.
The bus moved 54km for the 3rd hour.
So the total the bus moved in 3 hours was 72+54, which is 126km.
To get the average speed you have to divide this distance by the total number of hours the bus travelled for. So the bus travelled 126km for 3 hours, therefore the average speed of the bus is 126 ÷ 3.
The answer is 42km/hr.
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