# 5.6.1. Mathematical Expressions

The perimeter of a rectangle is cm. If the length of one side is cm, then the length of the other side is .

- Acm
- Bcm
- Ccm
- Dcm

Determine the symbolic expression of nine times the difference between the number and four.

- A
- B
- C
- D

Given that a girl runs a mile in 20 minutes, determine the symbolic expression of the number of miles she runs in minutes.

- A
- B
- C
- D

If Merna saved LE, and her father gave her LE, what is the total amount of money that she has?

- A
- B
- C
- D

A rectangle has a length of 9 units and width of units, then its area is square units.

- A
- B
- C
- D

If a child bought 47 books for PT each and 61 rulers for PT each, then the total cost is PT.

- A
- B
- C
- D

If the width of a rectangle is cm, and its length is twice its width, then its perimeter is cm.

- A
- B
- C
- D