a car travels 150 km in 3 hours 200km in 5 hours and 82 km in 4 hours find its average speed
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Answer: 87 km per hour
Step-by-step explanation: to find the average we divide each amount of km by the amount of hours it took.
So 150/3 = 50, so for that the average speed is 50 km per hour.
82/4 = 20.5, so for that the average speed is 20.5 km per hour.
200/5 = 40 so for that the average speed is 40 km per hour.
Add all of the average speeds so 20.5 + 50 + 40 = 110.5
divide that by the amount of average speeds which is 110.5/3 which gives you a decimal answer, but it rounds upp to approximately 87 km per hour.
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