The arithmetic mean of five numbers is 4.7 and the sum of the other numbers of three
| September 5, 2021 | education
The arithmetic mean of five numbers is 4.7 and the sum of the other numbers of three numbers is 25.14 find the arithmetic mean of all eight numbers.
To solve this problem, remember, in order to find the arithmetic mean, you need to add all the numbers and divide their sum by their number. Let’s calculate what the sum of five numbers is, knowing. which of the arithmetic mean is 4.7.
a / 5 = 4.7;
a = 4.7 * 5;
a = 23.5.
Knowing that the sum of the other three numbers is 25.14, we calculate what the arithmetic mean of these 8 numbers is equal to.
23.5 + 25.14 / 8 = 48.64 / 8 = 6.08.
Answer: 6.08.
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