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
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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
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