Question

A rectangular room is 10 m long and 7.5 m wide . Find the cost of covering the floor with carpet 1.25 m wide at rupees 250 per m. ​

Answer 1

answer:₹18750

l=10m

b=7.5m

l×b

10×7.5=75sqm

area of a rectangle=area of the floor mat

75sqm=l×1.25m

75÷1.25=l

l=60m

area of floor mat=60×1.25=75sqm

cost of covering the floor with carpet=75×250=₹18750

Answer 2

Answer:

length of room = 10m

breadth of room = 7.5m

Area of floor =10×7.5=75m^2

width of carpet = 1.25m

Now, Area of floor = Area of carpet

10×7.5=1.25× length of carpet

length of carpet = 10×7.5/1.25

=60m

Cost per meter = 250Rs

Total cost = Length of carpet × cost per meter

=60×250

=Rs 15000

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