Question

Find the cost of carpeting a hall room which is 15 m long and 12 m wide. If the cost of carpet is at the rate of 90 per m and width of the carpet is 80 cm.

Answer 1

Step-by-step explanation:

Length of room=15m

Width of room=12m

AREA= LENGTH xBREADTH

15x12=180msq.

cost of carpeting one sq. metre=rs 90

cost of carpeting 180sq. metres=90x180

=rs 16200

Answer 2

Cost of carpet=Rs 16200

Step-by-step explanation:

Length of room=15m

Width of room=12m

Cost of 1 square meter of carpet=Rs 90

Area of rectangle=$Length\times breadth$

Using the formula

Area of room floor=$15\times 12=180m^2$

Carpet required =Area of floor of room=$180cm^2$

Cost of 180 square meter of carpet=$180\times 90$

Cost of 180 square meter of carpet=Rs 16200

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