The length of a room is 3 times its breadth. The cost of carpeting the floor of the room at Rs. 25 m² is Rs. 4800 and painting its four walls at Rs. 5 per sq. m costs Rs. 1600. a) Find the area of floor of the room.

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07-04-2024
Mathematics

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The length of a room is 3 times its breadth. The cost of carpeting the floor of the room at Rs. 25 m² is Rs. 4800 and painting its four walls at Rs. 5 per sq. m costs Rs. 1600. a) Find the area of floor of the room.

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laxttee1x laxttee1x · Answer 1 · 2024-04-07T09:38:19+02:00

laxttee1x laxttee1x

07-04-2024

the area of the floor of the room is 192 m2 ^^

area of the floor 3b x b = 3b 2

3b2 ×25 = 4800

75b2 =4800

b2 = 4800/75 = 64

b2 = 8

area of the floor = 3 x 8 2 = 192 m3

correct me if I’m wrong ^^

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The length of a room is 3 times its breadth. The cost of carpeting the floor of the room at Rs. 25 m² is Rs. 4800 and painting its four walls at Rs. 5 per sq. m costs Rs. 1600. a) Find the area of floor of the room. ​

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The length of a room is 3 times its breadth. The cost of carpeting the floor of the room at Rs. 25 m² is Rs. 4800 and painting its four walls at Rs. 5 per sq. m costs Rs. 1600. a) Find the area of floor of the room.