2006 AIME I Problems/Problem 2: Difference between revisions
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Problem
Let set 
be a 90-element subset of 
and let 
be the sum of the elements of 
Find the number of possible values of 
Solution
The smallest S is 
. The largest S is 
. All numbers between 4095 and 4995 are possible values of S, so the number of possible values of S is 
.
