Thirty-eight students from Grade One (1) and two teachers went for a spring outing in the suburbs. When taking a boat, there are two kinds of boats on the dock. 1. Small boat, which can take four people and 35 yuan for one hour. A big ship can take six people, and it costs 50 yuan an hour. They will return by boat for an hour. Which scheme is cheaper (or allocated separately, such as two big ones and three small ones)?

38+2=40 people

1. All boats 40/4= 10

10*35=350 yuan

Step 2 take a big boat

40/6=6 4

7*50=350 yuan

3. Solution: It is cheaper to rent 6 large boats 1 boat.

6*50+ 1*35=335 yuan