SOLUTION: Please help me solve this word problem: The floor of a shed has an area of 70 square feet. The floor is in the shape of a rectangle whose length is 4 feet more than twice the widt

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Question 370146: Please help me solve this word problem:
The floor of a shed has an area of 70 square feet. The floor is in the shape of a rectangle whose length is 4 feet more than twice the width. Find the length and the width of the floor of the shed.
I have tried this:
w(2w+4)=70
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Keep going.
2W%5E2%2B4W=70
W%5E2%2B2W-35=0
You can factor this quadratic equation.
%28W%2B7%29%28W-5%29=0
Two solutions but only one of them is positive.
W-5=0
highlight%28W=5%29ft
.
.
.
L=2%285%29%2B4
highlight%28L=14%29ft