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IKMC 2013 - Grades 3-4 - Self-study Question 19

IKMC · IKMC 2013 - Grades 3-4 - Self-study

Question 19

In December, Tosha the cat slept for exactly three weeks. Which expression gives the number of minutes he stayed awake that month?
  1. $(31-7)\cdot3\cdot24\cdot60$
  2. $(31-7\cdot3)\cdot24\cdot60$
  3. $(30-7\cdot3)\cdot24\cdot60$
  4. $(31-7)\cdot24\cdot60$
  5. $(31-7\cdot3)\cdot24\cdot60\cdot60$