Question

Becky is using the expression 2z + 3 to represent the number of chairs in her classroom. There are twice as many chairs as tables, and there are three extra chairs in the back. What does z represent?

The number of chairs.
The number of tables.
The number of chairs at tables.
The number of chairs and tables

Answer 1

the number of tables :]

Explanation:

Answer 2

The number of tables

Explanation:

Let

z ----> the number of tables

y-----> the number of chairs

we know that

`y=2z+3`

therefore

z represent the number of tables