Question

of the length of a room is it the total cost of flooring the room at rupees 8.50 per square metre is rupees 510 .find the area of the room​

Answer 1

Answer:

7.5 m

Step-by-step explanation:

Cost of flooring per square meter  = Rs.8.50

⇒ The  Total cost of flooring of room = Rs.510

∴    Area of the room =  510/8.50 =60 m^2

Answer 2

Answer:

Cost of flooring per square meter  = Rs.8.50

⇒  Total cost of flooring of room = Rs.510

∴   Area of the room =  510/8.50=60m^2  

⇒   Area of the room = l×b

⇒    60=8×b

∴  b= 60/8=7.5m  

∴  Breadth of the room is 7.5m.