SOLUTION: If the average of 15 consecutive numbers is 27, what is the average of the first five numbers of the set? Explain. Thanks :)

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Question 1073806: If the average of 15 consecutive numbers is 27, what is the average of the first five numbers of the set? Explain. Thanks :)
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
The middle number is 27 also.

15%2F2=7%261%2F2 so the middle number comes as in position number 7 or with an index of 7. The number at index 1 is 20.

The first five numbers are 20, 21, 22, 23, 24.
their average is 22.