What three numbers have an average of 519?
Part 1: Understanding the Problem
We're looking for three numbers whose average is 519. This means if we add these three numbers together and divide by 3, we should get 519.
Step-by-step Solution:
- Recall the average formula: Average = (Sum of numbers) / (Count of numbers)
- In this case: 519 = (x + y + z) / 3
- To find the sum, multiply both sides by 3: 519 * 3 = x + y + z
- So, the sum of our three numbers should be: 1557
Part 2: Finding Solutions
Now, let's find multiple sets of three numbers that add up to 1557.
Solution 1:
519, 519, 519
Verification:
(519 + 519 + 519) / 3 = 1557 / 3 ≈ 519
This solution is correct!
Solution 2:
519, 519, 519
Verification:
(519 + 519 + 519) / 3 = 1557 / 3 ≈ 519
This solution is correct!
Solution 3:
440, 912, 205
Verification:
(440 + 912 + 205) / 3 = 1557 / 3 ≈ 519
This solution is correct!
Solution 4:
889, 410, 258
Verification:
(889 + 410 + 258) / 3 = 1557 / 3 ≈ 519
This solution is correct!
Solution 5:
136, 56, 1365
Verification:
(136 + 56 + 1365) / 3 = 1557 / 3 ≈ 519
This solution is correct!
Explanation:
As you can see, there are many possible solutions. We can find more by:
- Choosing any two numbers
- Subtracting their sum from 1557 to get the third number
Remember:
- The numbers don't have to be whole numbers.
- They can even be negative (although that might not make sense in some real-world contexts).
- The order of the numbers doesn't matter for the average.