the cost of carpeting a room 15m long with a carpet of width 75m at ₹80 per meter is ₹19200.find the width of the room?
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let area to be carpeted be x m²
let width be w m
area of floor=length*width
area =15*w
total cost=19200
area of room=19200/80
=240m²
240m²=15*w
w=240/15
w=16m
let width be w m
area of floor=length*width
area =15*w
total cost=19200
area of room=19200/80
=240m²
240m²=15*w
w=240/15
w=16m
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