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Australian AMC 2020 - Upper Primary Question 19

AMC AUSTRALIA · Australian AMC 2020 - Upper Primary

Question 19

Kayla is 5 years old and Ryan is 13 years younger than Cody. One year ago, Cody’s age was twice the sum of Kayla’s and Ryan’s age. Find the sum of the three children’s current ages.
  1. 10
  2. 22
  3. 26
  4. 30
  5. 36