SOLUTION: The length of a rectangle is 9 inches more than twice the width. If the area is to be at least 45 square inches, what are the possibilities for the width?

Question 1160435: The length of a rectangle is 9 inches more than twice the width. If the area is to be at least 45 square inches, what are the possibilities for the width?
Answer by greenestamps(13215) (Show Source): You can put this solution on YOUR website!

Let w be the width; then the length is 2w+9.

The area (length times width) is greater than or equal to 45 square inches:

or

Clearly the negative solution makes no sense in the problem. So

ANSWER: The width can be anything 3 inches or greater

NOTE: That result can be obtained in a few seconds with a bit of trial and error and simple arithmetic....

RELATED QUESTIONS
The length of a rectangle is 5 inches more than twice the width. If the area is to be at... (answered by Boreal)

the length of a rectangle is 6 more inches than the width. the area of the rectangle is... (answered by stanbon)

The length of a rectangle is 5 inches more than its width. The area of the rectangle is... (answered by amarjeeth123)

The length of a rectangle is 3 inches more than the width. If the area is 40 square... (answered by josgarithmetic)

The length of a rectangle is 9 more inches than the width. If the area of the rectangle... (answered by Alan3354)

The length of a rectangle is 4 inches more than its width. If the area of the rectangle... (answered by richard1234)

The length of a rectangle is 5 inches more than its width . If the area of a rectangle is (answered by ewatrrr)

The length of a rectangle is 5 inches more than twice the width. The area of the... (answered by Earlsdon,Targetweek)

The length of a rectangle is 3 more than twice the width, the area is 54 square inches.... (answered by josgarithmetic)