Question

The cost of carpeting the floor of a room whose breadth is one third of its length is 12960at the rate of rs270
sq.m.and the cost of painting the four walls of the room is rs3920at rs 35per sq.m. Find the height of the room

Answer 1

Step-by-step explanation:

here the area of carpet= area of room. ,area of room=l*0.75m^2

area of room=15*bm^2. let breadth=bm.

length of carpet=totalcost of carpenting/cost per meter

hence length of carpet=3600/30=120m.

hence 15*b=120*0.75.b=6m.

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