## Task 4 - 160524

Each student needs 15 notebooks per year. From 1 ton of paper, 25000 notebooks can be produced. How many students in total can be supplied with notebooks for one year from 3 tons of paper?
Due to $3 \cdot 25000=75000$, 75000 exercise books can be produced from 3 tons of paper.

Due to $75000: 15=5000$, these exercise books can supply a total of 5000 students in one year.

Solutions of the II. Round 1976 taken from [5]

### 2.18 XVII. Olympiad 1977

### 2.18.1 I. Round 1977, Class 5