What three numbers have an average of 5?

Part 1: Understanding the Problem

We're looking for three numbers whose average is 5. This means if we add these three numbers together and divide by 3, we should get 5.

Step-by-step Solution:

  1. Recall the average formula: Average = (Sum of numbers) / (Count of numbers)
  2. In this case: 5 = (x + y + z) / 3
  3. To find the sum, multiply both sides by 3: 5 * 3 = x + y + z
  4. So, the sum of our three numbers should be: 15

Part 2: Finding Solutions

Now, let's find multiple sets of three numbers that add up to 15.

Solution 1:

5, 5, 5

Verification:

(5 + 5 + 5) / 3 = 15 / 3 ≈ 5

This solution is correct!

Solution 2:

5, 5, 5

Verification:

(5 + 5 + 5) / 3 = 15 / 3 ≈ 5

This solution is correct!

Solution 3:

1, 3, 11

Verification:

(1 + 3 + 11) / 3 = 15 / 3 ≈ 5

This solution is correct!

Solution 4:

13, 1, 1

Verification:

(13 + 1 + 1) / 3 = 15 / 3 ≈ 5

This solution is correct!

Solution 5:

8, 2, 5

Verification:

(8 + 2 + 5) / 3 = 15 / 3 ≈ 5

This solution is correct!

Explanation:

As you can see, there are many possible solutions. We can find more by:

Remember:

Try it out:

(X+Y+Z) / 3 = 437What three numbers have an average of 437 ?
(X+Y+Z) / 3 = 460What three numbers have an average of 460 ?
(X+Y+Z) / 3 = 621What three numbers have an average of 621 ?

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