Question

In a school of 1800 students, the ratio of teachers to students is 1:20. Some teachers join the school and the ratio changes to 1:18. Find the number of teachers who joined the school.

PLEASE IMA GET A EMAIL HOME!!!

Answer 1

10 teachers

Explanation:

Looking at the data provided, we can conclude that for 1800 students, there are 90 teachers.

1:20

When more teachers arrive, it then becomes, for every 1800 students, there are 100 teachers.

1:18

10 more teachers have now joined the school.