The total area of the four walls of a room is 88 square metres. Its height is 4 metres. If the floor is in the form of square, find the cost of flooring at the rate of Rs. 120 per square metre.
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Answer:
7.5 m
Step-by-step explanation:
Cost of flooring per square meter = Rs.8.50
⇒ Total cost of flooring of room = Rs.510
∴ Area of the room = 8.50510=60m2
⇒ Area of the room = l×b
⇒ 60=8×b
∴ b=860=7.5m.
∴ Breadth of the rioom
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