2025
AMC 8
PROBLEM 9
Unlock brilliance, one problem at a time.
Ningli looks at the 6 pairs of numbers directly across from each other on a clock. She takes the average of each pair of numbers. What is the average of the resulting 6 numbers?
Use arithmetic series sum formula to add all the integers from 1 to 12.
Think
fast.
Genius!
9/25 Problems Solved
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