The cost of carpeting a room 15m long with a carpet of width 75 cm at ₹80 per meter is ₹19200.find the width of the room.
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Area = total cost / per mtr.
19200 / 80 .= 240 m2
width = area / length
therefore, 240 /15 = 16 m
so length = 16 m
19200 / 80 .= 240 m2
width = area / length
therefore, 240 /15 = 16 m
so length = 16 m
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