Question

the total cost of flooring a room at rupees 8.50/ square metre is rupees 510 if the length of the room is 8m calculate its breadth

Answer 1

Total cost=510 rupees
Cost per sq.metre=8.5 rupees
Area of the floor= total cost/cost per sq.metre
=510/8.5=60 sq.metre
Length of the floor=8m
Area of floor=area of rectangle=length×breadth
Breadth= area of the floor/length
=60 sq.m/8m
=7.5m
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