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AMC8 2027 - Self-practice Set 4 Question 20

AMC8 · AMC8 2027 - Self-practice Set 4

Question 20

How many three-element subsets of $\{1,2,3,4,5,6,7,8,9\}$ contain 5 and have sum 15?
  1. 3
  2. 4
  3. 5
  4. 6
  5. 7