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Australian AMC 2024 - Junior Question 23

AMC AUSTRALIA · Australian AMC 2024 - Junior

Question 23

Amisha is wrapping a present for her little brother. The present is in a box measuring 9 cm × 9 cm × 13 cm and the sheet of wrapping paper is 40 cm × 25 cm. She wraps the present as tightly as possible, as shown. What percentage of the wrapping paper is no longer visible from any angle?

Question illustration
  1. 25%
  2. 30%
  3. 33%
  4. 37%
  5. 42%