Question

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.

Answer 1

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

Answer 2

the width is is 3ft stuck on the length

Answer 3

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

Answer 4

area=lw

Answer 5

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

Answer 6

2w

Answer 7

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

Answer 8

l=6+2w

Answer 9

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

Answer 10

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

Answer 11

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

Answer 12

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

Answer 13

why is there a blank in front of the equation?