Tan Jia Hao's answer to huihuibuhui's Junior College 1 H1 Maths Singapore question.

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Tan Jia Hao
Tan Jia Hao's answer
1 answers (Tutor Details)
Hi, for 2nd method, the tourist has 2 options for each of the 5 coins, to give or not to give the coin. If the tourist does not give all 5 coins, there is no tipping, thus minus 1 at the end. Hope this helps :)
huihuibuhui
Huihuibuhui
4 years ago
Thank you so much :)
huihuibuhui
Huihuibuhui
4 years ago
Thank you so much :)