# How many teachers must the Kinderwatchers Day Care Center hire to supervise 75 children if the State Board of Education dictates that the maximum student-teacher ratio in day care centers as 6:1?

##### 1 Answer

Apr 1, 2015

Ratios allways go like this: Let's call the number of teachers

The first operation below is called a *cross-product* and can be done with all rational equations:

Since you can't hire half a teacher the answer will be