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Australian AMC 2020 - Junior Question 25

AMC AUSTRALIA · Australian AMC 2020 - Junior

Question 25

A bag contains exactly 50 coins. The coins are either worth 10 cents,20 cents or 50 cents, and there is at least one of each. The total value of the coins is \$10.
How many different ways can this occur?
  1. 2
  2. 4
  3. 8
  4. 12
  5. 16