Asked by bria
The mean of five numbers is 8. If one of the numbers is removed from the list, the mean becomes 7. what is the number that was removed.
I could not figure this out.
I could not figure this out.
Answers
Answered by
Ms. Sue
Suppose the numbers were
4, 6, 8, 10, 12
Which number could you remove to get a mean of 7?
4, 6, 8, 10, 12
Which number could you remove to get a mean of 7?
Answered by
Reiny
"The mean of five numbers is 8"
would imply that the total of the 5 numbers had to be 40
So now you have only 4 numbers with a mean of 7
which implies that the new total is 28
What is 40 - 28 ?
would imply that the total of the 5 numbers had to be 40
So now you have only 4 numbers with a mean of 7
which implies that the new total is 28
What is 40 - 28 ?
Answered by
bria
thanks for the explaning it. I understand that much better
Answered by
Dabster
DAB SON !
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