Question

the lenght of the room is 2 times the width and the total area of the room is 8 square meters. what is the lenght of the living room?

Answer 1

Area = (length) * (breadth)

or, 8 = (2 b) * b

or, 8 = 2b^2

or b^2 = 4

so, b = 2

Hence, length is 2*2 =4 meters

Answer 2

thanks

Answer 3

You're welcome. I would suggest that you try such problems at first on your own. This would hone your math abilities.