The total cost of flooring a rectangular
room at 8.50 per sq. metre is 510. If
the length of the room is 8 m, what is
the breadth?
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Answer: 7.5m
Step-by-step explanation:
cost per sq.m=8.50
total cost = 510
total cost =total area*rate per sq.m
510=total area*8.50
area=510/8.5=60
area=length*breadth
breadth=area/length
breadth=60/8
breadth=7.5
therefore,breadth = 7.5
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