Question

The area of 4 walls ofa room is 150 square meter if the length of room is twice its breath and the height is 4 meter find the area of the floor

Answer 1

150=2 (2b+b)x 4
150=24b
b=150/24
b=6.25
breadth=6.25m
length=2b=12.50 m
hope it helps