Question

The total cost of flooring a room at Rs 7.50 per square metre is Rs 450. If the length of the room is 12 metres, find its breadth​

Answer 1

5m

Step-by-step explanation:

Cost of flooring per square meter

= Rs. 7.50

⇒ Total cost of flooring of room

= Rs. 450

∴ Area of the room = 450

7.50

• = 60 m²

⇒ Area of the room = length ×breadth

Length of the room = 12m [Given]

⇒ 60 = 12 × b

∴ b = 60

12

=5m

∴ Breadth of the room is 5m.