1. **State the problem:** You are on a plane traveling through several cities before reaching Seoul. We need to answer three questions: - Q6: How many times did the plane land before Seoul? - Q7: How many people were on board when the plane left Bangkok? - Q8: How many people got off the plane at Seoul? 2. **Analyze the stops:** The plane starts in London with 52 people. It lands in Berlin, Bangkok, Hong Kong, Taipei, Tokyo, and finally Seoul. 3. **Q6: Number of landings before Seoul:** The plane lands at Berlin, Bangkok, Hong Kong, Taipei, and Tokyo before Seoul. So, the number of landings before Seoul is $5$. 4. **Q7: Number of people on board after leaving Bangkok:** - Start: 52 people - Berlin: 2 off, 5 on → $52 - 2 + 5 = 55$ - Bangkok: 14 off, 25 on → $55 - 14 + 25 = 66$ So, after leaving Bangkok, there are $66$ people on board. 5. **Q8: Number of people who got off at Seoul:** At Seoul, everyone gets off. We need to find how many people are on board just before Seoul. Calculate passengers after Tokyo: - Hong Kong: 30 off, 28 on → $66 - 30 + 28 = 64$ - Taipei: 15 off, 25 on → $64 - 15 + 25 = 74$ - Tokyo: 8 off, 1 on → $74 - 8 + 1 = 67$ So, $67$ people got off at Seoul. **Final answers:** - Q6: $5$ - Q7: $66$ - Q8: $67$