The car drove 84 km / h in the first half of the journey, and 108 km / h in the second. Find the average speed of the car along the way.
| January 12, 2021 | education
To solve this problem, remember, to find the arithmetic mean, you need to add all the numbers and divide their sum by their number. Let us calculate the arithmetic mean of the following numbers: 84 km / h, 108 km / h.
84 + 108/2 = 192/2 = 96 km / h.
Answer: 96 km / h.
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