If the average of fifteen numbers is 41.4, what is the total sum of these fifteen numbers?
The sum of a set of numbers equals their average multiplied by how many there are, so 41.4 multiplied by 15 gives a total of 621.
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If the average of fifteen numbers is 41.4, what is the total sum of these fifteen numbers?
Answer and explanation
Correct answer B
The sum of a set of numbers equals their average multiplied by how many there are, so 41.4 multiplied by 15 gives a total of 621.