What is the average of three numbers given that their sum is 9?
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What is the average of three numbers given that their sum is 9?
To solve this problem, we'll follow these steps:
Now, let's work through each step:
Step 1: The problem gives us the sum of the three numbers as .
Step 2: We'll use the formula for average:
Step 3: Plugging in our values, we have:
Therefore, the solution to the problem is .
If the balls below are divided so that each column in the table contains an equal number, then how many balls will there be in each column?
The average formula requires division! You're splitting the total sum equally among all the numbers. Think of it as: How much does each number get if we share 9 equally among 3 numbers?
The average is still 3! The individual numbers could be 1, 2, and 6, or 0, 4, and 5. As long as they add up to 9, their average will always be 3.
Absolutely! Whether you have 2 numbers, 10 numbers, or 100 numbers, the formula stays the same:
That's completely normal! Not all averages are whole numbers. For example, if two numbers sum to 5, their average would be
Multiply your average by the number of values. You should get back the original sum! In this case: ✓
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