The area of a rectangular wall of a barn is 140 square feet. Its length is 6 feet longer than twice its width. Find the length and width of the wall of the barn.

Question

aravindg · Answer

its too easy!
have you really tried this qn?
If yes tell me where you are stuck?

anonymous · Answer

the width is is 3ft stuck on the length

anonymous · Answer

@joanna601 Start with writing down the formula of Area on HERE ....

anonymous · Answer

area=lw

anonymous · Answer

Do you know how to express :"twice its width"

anonymous · Answer

2w

anonymous · Answer

Good, continue with "6 feet longer than twice its width"

anonymous · Answer

l=6+2w

anonymous · Answer

Great :)
Now you plug into:
A = L W
..  = ....

anonymous · Answer

I know the width is 3 but I am lost on length

anonymous · Answer

Haven't you just answered me L = 2W + 6 ???

anonymous · Answer

A = W * L
   = W ( 2W + 6) = 140 
Can you continue?

anonymous · Answer

why is there a blank in front of the equation?