SOLUTION: The length of a rectangular banner is 3 feet longer than it width. If the area is 88 square feet, find the dimensions.
Algebra.Com
Question 737338: The length of a rectangular banner is 3 feet longer than it width. If the area is 88 square feet, find the dimensions.
Answer by sachi(548) (Show Source): You can put this solution on YOUR website!
let the width =x
then length=x+3
area=x(x+3)=88
or x^2+3x-88=0
or x^2+11x-8x-88=0
or x(x+11)-8(x+11)=0
or (x+11)(x-8)=0
or x=-11 or 8
so the width=8 & length=8+3=11
RELATED QUESTIONS
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 5 feet longer than its width. If the area is 66... (answered by ReadingBoosters)
The length of a rectangular banner is 2 feet longer than its width. If the area is 80 (answered by checkley79)
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 garden is 6 feet longer than its width if the area of the... (answered by macston)
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 sign is 5 feet longer than the width. If the sign’s area is... (answered by lwsshak3)
a rectangular walkway is 18 feet longer than it is wide. If the area of the walkway is 88 (answered by mananth)
The length of a rectangular sign is 3 feet longer than the width. If the sign's area is... (answered by bucky)