Question

a room is 7 metre long and 5 metre broad it has two doors each measuring 2 metre by 1.5 metre and 4 Windows 1.5 metre by 1 metre . If the cost of fencing of the Wall of the room is 80 per metre square rupees 5280 find the height of room​

Answer 1

find the area of the room

next find the area of the door and then multiply by 2

find the area of the window and multiply by 4

subtract the windows and door from the area of room.

divide 5280 by 80