# An algebra class normally has y students, but today it is just 2/3 full. Express the number of...

## Question:

An algebra class normally has y students, but today it is just 2/3 full. Express the number of students in class in terms of y.

## Variables and Constants:

Variables are used to denote an entity whose values keep changing. For example, if the value of temperature is not fixed then we use a variable to denote it. Constants are used to denote entities whose value remain fixed. For example, the value of number 5 will always be 5 no matter what.

Since the class was 2/3 full, it means that the number of students was 2/3 times the regular strength. The regular strength was y, so the strength...

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What are Variables in Science? - Definition, Types & Examples

from High School Biology: Tutoring Solution

Chapter 1 / Lesson 9
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