An aeroplane takes 11 hours 40 minutes to fly from London to Mauritius. The aeroplane flies a distance of 9720 kilometres.Work out the average speed of the aeroplane. Give your answer in kilometres per hour, correct to the nearest whole number
Question
An aeroplane takes 11 hours 40 minutes to fly from London to Mauritius. The aeroplane flies a distance of 9720 kilometres.Work out the average speed of the aeroplane. Give your answer in kilometres per hour, correct to the nearest whole number
Solution
To calculate the average speed, we need to divide the total distance by the total time.
Step 1: Convert the time to hours. We have 11 hours and 40 minutes. Since there are 60 minutes in an hour, 40 minutes is 40/60 = 0.67 hours. So, the total time in hours is 11 + 0.67 = 11.67 hours.
Step 2: Divide the total distance by the total time to get the average speed. The total distance is 9720 kilometres and the total time is 11.67 hours. So, the average speed is 9720 / 11.67 = 832.75 kilometres per hour.
Step 3: Round the answer to the nearest whole number. The average speed of the aeroplane is approximately 833 kilometres per hour.
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