SOLUTION:
The length of a rectangular banner is 2 feet longer than its width. If the area is 80 square feet, find the dimensions.
Algebra.Com
Question 720685:
The length of a rectangular banner is 2 feet longer than its width. If the area is 80 square feet, find the dimensions.
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
AREA=LW
L=W+2
80=(W+2)W
80=W^2+2
W^2+2-80=0
(W+10)(W-8)=0
W-8=0
W=8 FEET FOR THE WIDTH.
L=8+2=10 FEET FOR THE LENGTH.
PROOF:
80=10*8
80=80
RELATED QUESTIONS
The length of a rectangular banner is 5 feet longer than its width. If the area is 66... (answered by ReadingBoosters)
The length of a rectangular banner is 3 feet longer than its width. If the area is 70... (answered by nerdybill)
The length of a rectangular banner is 3 feet longer than it width. If the area is 88... (answered by sachi)
Hilda is making a rectangular banner. The length of the banner is 5 feet longer than the... (answered by josgarithmetic)
The length of a rectangular storage room is 2 feet longer than its width. If the area of... (answered by josgarithmetic)
the length of a rectangular garden is 6 feet longer than its width if the area of the... (answered by macston)
the length of a rectangularstorage room is 2 feet longer than its width. if the area of... (answered by Alan3354)
The length of a rectangular garden is 6 feet longer than its width. If the area of the... (answered by Alan3354)
A rectangle has a length of x. It's width is 3 feet longer than twice the length. Find... (answered by swincher4391)