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-:
The carpet can be arranged as stops in
the room such that the length of
the carpet is along the breadth of\the room
⇒ no. of carpet strips needed =
breadthofcarpet
lengthofroom
=
(0.75m)
12m
no. of carpet strips needed = 8
∴ 8 carpet strips each 8m long are required to fill
the room with carpet.
1 m of 1 carpet strip costs 116.50 Rs
8 m of 1 carpet strip cost =116.50×8
cost for one carpet strip = Rs 932
we need 8 such carpet strips to cover the room
∴ cost =8×932=Rs7456
∴ The cost carpeting the room is Rs 7456 .
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