SOLUTION: The average of a set of 9 numbers is 54.if 90 and 95 are added on the set what will be the new average?

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Question 1058550: The average of a set of 9 numbers is 54.if 90 and 95 are added on the set what will be the new average?
Answer by solve_for_x(190) About Me  (Show Source):
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Since the average of 9 numbers is 54, the sum of those numbers is:

54 * 9 = 486

Adding 90 and 95 to the total gives:

486 + 90 + 95 = 671

There are now 11 numbers included in the total, so the new average is:

671 / 11 = 61

Solution: 61