Question

Find the cost of flooring a room 17 m long and 14 m wide with a carpet 70 cm wide at the rate of Rs. 9.75 per metre?​

Answer 1

Answer:

Length of the floor= 17×100= 1700cm

breadth of the floor = 14×100= 1400cm

now area of the floor = l×b

= 1700*1400

= 2380000cm²

so,,,, area is 2380000cm²

and breadth of the carpet is 70cm

we have to find length of the carpet

so, length = area / breadth

= 2380000/ 70

= 34000cm

now, 1cm= 100m

34000cm= 340m

• cost of flooring at 1 m = 9.75 rs.
• cost of flooring at 340m = 9.75× 340

3315 rs.

answer is 3315rs.

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Answer 2

Answer:

length of the floor =17×100cm=1700

breadth=14×100cm=1400

area=l×b

1700×1400

=2380000cm sq.

so area is 2380000cm sq.

breadth of carpet is 70 cm

we have to find length of the carpet.

so lenth =area÷breadth

2380000÷70

34000cm

now I cm=100m

35000cm=340m

cost of flooring at 1 m =9.75

cost of flooring at 340m

=9.75×340

=rs 3315 is the correct answer

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