1, * * * There are 30 people. The boat can seat 4 people, and the big boat can seat 6 people. If the big boat and the small boat can ride together, please give a plan for the small boat.

2. The ship is limited to 4 people and 6 people, and 28 people came on Monday. (1) If each boat is full, how can I rent a boat?

(2) If you rent a big ship, 10 yuan? What is the most economical plan for renting a boat for 8 yuan?

3. Primary schools organize 188 students to go boating. How to rent a boat and spend the least money? 24 yuan is limited to 6 people for big ships and 4 people for small boats in 20 yuan. Write a charter plan.

Fifty students go boating. There are the following two types of boats. The ship is limited to 5 people per ship, and the rent is 7 yuan. Each boat is limited to 4 people, and the rent is 6 yuan. How are you going to rent a boat? Which scheme is the most economical?

5. Teacher Liu took 4 1 students to go boating in Beihai Park, and * * * rented a boat of 10. Each big boat takes six people and each small boat takes four people. How many boats did you rent?