The arithmetic mean of two numbers is 8. What is their sum?
| May 20, 2021 | education
To solve this task, you need to compose an equation. Let the first number be -x, then the second number -y. To find the arithmetic mean, you need to add all the numbers and divide their sum by their number. Knowing that the arithmetic mean is 8, let’s make an equation.
x + y / 2 = 8;
x + y = 8 * 2;
x + y = 16;
Answer: 16.
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