Question

A floor is 5 m long and 4 m wide. A square carpet with sides of 3 m is laid on the floor. What is the area of the floor that is not carpeted?

Options

• 9 m²

• 11 m²

• 20 m²

• 29 m²

Answer 1

11 m²

Explanation: 

Total floor area = 5 × 4 = 20 m².

Carpet area = 3 × 3 = 9 m².

Uncarpeted area = 20 − 9 = 11 m².