Question

the pool director has a list of 123 students who have signed up for swimming lessons. the pool director can register 7 students in each class. what is the LEAST number of classes needed for all the students to be registered in a class?

Answer 1

The LEAST number of classes needed for all the students to be registered in a class is 18.

123/7=17.571428 round up to 18

Answer 2

18 is the answer.

Explanation:

There are some important numbers to remember:

First, there are 123 students who have signed up for swimming lessons.

It is possible to register 7 students in each class.

We need to do the following:

123/7=17.57. So, we need to open 18 classes since it is not possible to open 17.5