Question

The total cost of flooring room at ₹8.50 per sq metre is ₹520. if the length of the room is 8 m .find its length​

Answer 1

Step-by-step explanation:

length =8

breadth = b

area of room= 8×b

=8b

cost of flooring room per sq.meter = 8.5 Rs

cost of flooring room 8b sq. meter= 8.5 × 8b

510 = 8.5 × 8b

b= 510÷8.5×8

b= 2.55m