40 kilometers per hour is a speed.
Speed is how far you go divided by how long it took you to get there.
For example:
If I walk from my house to the store it takes me 10 minutes. I know it is 5 blocks away from my house.
My rate of speed is how far I travelled (5 blocks) divided by how long (10 minutes).
My speed is 5 blocks per 10 minutes, or 1 block per 2 minutes.
40 kilometers per hour means that you travel a total distance of 40 kilometers for every hour you spend driving.
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Answer: 40 mph = 64.3737 km/h
There are 1.609344 kilometres in one mile. therefore, 40 miles is equal to 40 x 1.609344 = 64.37376 kilometres per hour.
It's "forty" kilometers per hour. The conversion would be to divide the kilometers per hour by 60 (the number of minutes in one hour). In this case, it would be 40/60 = .666666666666666.... or two-thirds of one kilometer per minute.
40 km/h
To convert kilometers per hour to miles per hour, you need to multiply the speed in kilometers per hour by 0.621371. Therefore, 200 kilometers per hour is equivalent to approximately 124.27 miles per hour.