Question: If the average of 8 numbers is 40, what is the sum of these numbers?
Options:
320
300
280
360
Correct Answer: 320
Solution:
Sum = Average * Number of items = 40 * 8 = 320.
If the average of 8 numbers is 40, what is the sum of these numbers?
Practice Questions
Q1
If the average of 8 numbers is 40, what is the sum of these numbers?
320
300
280
360
Questions & Step-by-Step Solutions
If the average of 8 numbers is 40, what is the sum of these numbers?
Step 1: Understand that the average of a set of numbers is calculated by dividing the sum of those numbers by the total number of items.
Step 2: In this case, we know the average is 40 and there are 8 numbers.
Step 3: To find the sum, we can use the formula: Sum = Average * Number of items.
Step 4: Substitute the values into the formula: Sum = 40 * 8.
Step 5: Calculate the result: 40 * 8 = 320.
Step 6: Therefore, the sum of the 8 numbers is 320.
Average and Sum Relationship – Understanding that the sum of a set of numbers can be calculated by multiplying the average by the number of items in the set.
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