The arithmetic mean of the four numbers is exactly 7.06. Find the sum of these numbers.
| January 9, 2021 | education
It is known that the arithmetic mean of four numbers is exactly 7.06.
Find the sum of the arithmetic mean of the numbers.
The arithmetic mean of numbers is equal to the ratio of the sum of numbers to the number of numbers.
Then the sum of the arithmetic numbers is:
7.06 * 4 = 7 * 4 + 0.6 * 4 = 28 + 0.6 * 4 = 28 + 2.4 = 28 + 2 + 0.4 = 30 + 0.4 = 30.4.
Answer: 30.4.
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