1. A car travels 250 km in 5 hours. How far does it travel in 2 hours?

2. Jessie can read 72 pages of a book in 2 hours how many pages can he read 4 hours?

3. For every 8 generous people there are 40 who need help. If 15 generous people will help how many will get her help

4. There are 5 teachers for every 250 pupils. How many teachers will be if there are 500 pupils

5. What is N in 34:48 = N:12​