SOLUTION: Find the dimensions of the rectangle if the width is 3 feet less than the length and the area is 40 ft^2?

SOLUTION: Find the dimensions of the rectangle if the width is 3 feet less than the length and the area is 40 ft^2?

Algebra.Com

Question 893693: Find the dimensions of the rectangle if the width is 3 feet less than the length and the area is 40 ft^2?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
For a rectangle,

In this case,

Substituting,

Two solutions however only the positive solution makes sense here.

Then,

RELATED QUESTIONS
find the dimensions of the rectangle if the width is 3 feet less than the length and the... (answered by oscargut)

What are the dimensions of the rectangle if the width is 3 feet less than the length and... (answered by Alan3354)

Set up an equation and solve: the area of a rectangle is 40 square feet. the length is 2... (answered by TimothyLamb)

the length of a rectangle is 3 feet less than twice the width. If the area of the... (answered by josgarithmetic,MathTherapy)

The length of a rectangle is 3 ft less than double the width, and the area of the... (answered by josgarithmetic)

The length of a rectangle is 5 ft less than double the width, and the area of the... (answered by TimothyLamb)

The width of a rectangle is 16 feet less than 3 times the length . if the area is 35... (answered by Fombitz)

The length of a rectangle is 3 ft less than twice its width, and the area of the... (answered by John10)

The length of a rectangle is 7 inches less than 3 times the width. If the area of the... (answered by ewatrrr)