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for 2nd question, since each car is driven by its owner, there is only 1 way to arrange the 3 drivers.
to keep the calculation simple, we can completely disregard the 3 drivers and just calculate base on 9 people instead of 12.
to keep the calculation simple, we can completely disregard the 3 drivers and just calculate base on 9 people instead of 12.
Thank you so much !! So easy to understand it now ! :)))
Hi Sir, i would appreciate it if you could help me with my latest question if possible... Thank you so much !