2025
AMC 8
PROBLEM 6
Unlock brilliance, one problem at a time.
Sekou writes the numbers $15, 16, 17, 18, 19.$ After he erases one of his numbers, the sum of the remaining four numbers is a multiple of $4.$ Which number did he erase?
Use the concept of congruence.
Think
fast.
Genius!
6/25 Problems Solved
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