Question

Many schools have a recommended student : teacher ratio. At Quality Care Preschool, the ratio is 9:1. Next year, Quality Care expects enrollment to increase by 135 students. How many teachers will need to be hired to maintain the student : teacher ratio?

Answer 1

Using proportions, it is found that 15 teachers will need to be hired to maintain the student : teacher ratio.

What is a proportion?

A proportion is a fraction of total amount, and the measures are related using a rule of three.

In this problem, the ratio means that 1 teacher is needed for 9 students. How many teachers are needed for 135 students?

The rule of three is:

1 teacher - 9 students

x teachers - 135 students

Applying cross multiplication:

$9x = 135$

$x = \frac{135}{9}$

$x = 15$

15 teachers will need to be hired to maintain the student : teacher ratio.

To learn more about proportions, you can take a look at brainly.com/question/24372153