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?
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4
8 For questions 26 to 30, shade the answer as an integer from 0 to 999 in the space provided on the answer sheet. Questions 26–30 are worth 6, 7, 8, 9 and 10 marks, respectively.
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16
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Australian Mathematics Competition 2020 - Junior (2020)
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