9. Find the cost of carpeting a room 12 m long and 8 m broad with a carpet 75 cm broad at the rate of 116.50 per metre.
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Step-by-step explanation:
area of the room is 12×8sqm=96sqm=960000sqcm
length of the carpet required is
960000÷75=12800cm=128m
cost of carpeting the roo m is
128×116.50Rs=Rs 14912
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