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
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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.
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