The cost of carpeting a square room at rs 25
per square metre is rs 8100. it has a door of
1m*2m and a window 3m*1m. the height of
aroom is 6 m find the area of four walls of
the room excluding the door and window

Areas = 139m²

Cost = Rs3475

Step-by-step explanation:

Area of a square wall of xm= xm².The area of the 4 walls = 4x²m²

Therefore, since the height = 6m, the other side = 6m, the area = 6x6=36m².

Area of the Four walls = 36m²x 4

= 144m². Biu the areas of the four walls excluding the door and window. Area of the door = 2m x 1m= 2m², and area of the window = 3m x 1m = 3m². Total area of the door and window = 2m² + 3m² = 5m².

Therefore, the total area of the four walls excluding the door and window = 144m² - 5m²

= 139m².

The amount required to carpeting the room will be

Let the number of square room carpeted at Rs25 which equals Rs8100 = xm²

Therefore, to know the number of square covered by this amount,= Rs8100/Rs25 = 324m²

If 324m² = Rs8100

1m² = 8100/324

139m²= 8100/324 x 139

= Rs3475

stew reads at the fastest rate of 265 words per minute.

step-by-step explanation:

it's a given that felicia reads at 260 word per minute and on connie's graph we can see that she reads 200 words per minute. since stew's table tells us that he read 795 in 3 minutes, we can divide 795 by 3 to find out how many words he reads per minute.

795/3 = 265

stew reads 265 words per minute - he reads at the fastest rate since felecia reads at 260 words per minute and connie reads at 200 words per minute.

stew (265) > felecia (260) > connie (200)