2025 AMC 8 Problems/Problem 6
Revision as of 19:51, 29 January 2025 by Gavin deng (talk | contribs)
Sekou writes the numbers 
After he erases one of his numbers, the sum of the remaining four numbers is a multiple of 
Which number did he erase?
A)15 B)16 C)17 D)18 E)19
Solution 1
First, we sum the 
numbers to get 
. The number subtracted therefore must be 1 more than a multiple of 4. Thus, the answer is 17.
~Gavin_Deng
