A rectangular room is 6 metre long, 5 m wide and 3.5 m high. It has 2 doors of size 1.1 m by 2m and 3 windows of size 1.5 m by 1.4 m.
Find the cost of white washing the walls and the ceiling of the room at the rate of $5.30 per square metre.

Question

A rectangular room is 6 metre long, 5 m wide and 3.5 m high. It has 2 doors of size 1.1 m by 2m and 3 windows of size 1.5 m by 1.4 m.
Find the cost of white washing the walls and the ceiling of the room at the rate of $5.30 per square metre.

anonymous · Answer

Sir help me

epicteatime · Answer

i have no idea, but maybe:
$145.22?

epicteatime · Answer

@abhishekdas.onlie?

epicteatime · Answer

u still there?

ranga · Answer

First find the total surface area of the walls and ceiling:
2(L*H +W*H) + L*W 
Subtract the areas taken up by the 2 doors and 3 windows.
Multiply the remaining surface area by $5.30 to get the total cost.

anonymous · Answer

Thanks

epicteatime · Answer

sry, i re-caluculated, and its 87.45$

epicteatime · Answer

but u shouldn't rely on my answer, i have a terrible headache, and the answer i gave you is most likely to be wrong!