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Australian AMC 2017 - Junior Question 24

AMC AUSTRALIA · Australian AMC 2017 - Junior

Question 24

Ike and Seb were arguing over how 120 mL of soft drink had been shared between them. To settle the argument, their dad poured one-third of Ike’s drink into Seb’s glass, and then he poured one-third of Seb’s drink back into Ike’s glass. Now they have an equal amount. How much soft drink did Ike originally have compared to Seb?
  1. 60 mL less
  2. 30 mL less
  3. the same
  4. 30 mL more
  5. 60 mL more