Question: A family of three comes to eat the rice noodles at this store. What is the minimum amount of money they need to spend to be full (eg:18 yuan)?
Clues:
1. 10元米线 ... 女士量 (10 yuan rice noodles ... female portion, which is for one person)
2. 18元米线 ... 两人量 (18 yuan rice noodles ... two-person portion)
3. 30元米线 ... 三人量 (30 yuan rice noodles ... three-person portion)
Answer: 28 yuan
Category: Planning and Consumption