A room is 15 m long and 9 m broad. Find the cost of carpeting the room with a carpet 75 cm wide at the rate of 10 per metre.
wide. Find its cost at 325 per square metre.
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breath of carpet= 75 cm equal to 0.75 m
(i)No of carpet needed side by side
=breath of room/ breath of carpet
=9/.75= 12
cost of 1 carpet= 15×10= 150
cost of 12 carpet= 150× 12=1800
(ii)Area of room= length × breath
= 15×9
=135
cost of carpetting= 135×325=43875
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