Question

There is I teacher for every 18 students on a school trip. How many teachers are there if 72 students go on the school trip?

Answer 1

4 teachers

Explanation:

So, if there is 1 teacher for every 18 stucents you could divide or just count up from 18.

Such as

18 36 54 72

1 2 3 4

So, if 72 students go on the trip there will be 4 teachers.