SOLUTION: The length of a rectangle is 1 m less than twice the width. The area of the rectangle is 120 square meters. Find the length and width.

Question 203129: The length of a rectangle is 1 m less than twice the width. The area of the rectangle is 120 square meters. Find the length and width.
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!

Basic Eqn -->

Given:

Subst.

, remember

By Quadratic:
For discriminant,
Therefore,

, disregard, (-)

So, the Width=x=8meters

Also, the
Length=15meters

Checking,

Thank you,
Jojo
RELATED QUESTIONS
the length of a rectangle is 1 meter less than twice its width. If the area of the... (answered by dudeantariksh)
The length of a rectangle is 5 meters less than twice the width. If the area of the... (answered by jim_thompson5910)
the length of a rectangle is 4 meters less than twice the width. If the area of the... (answered by mathsmiles)
The length of a rectangle is 3 meters less than twice the width. If the area of the... (answered by addingup,MathTherapy,josgarithmetic)
The length of a rectangle is 4 meters less than twice the width. If the area of the... (answered by Alan3354)
The length of a rectangle is 4 meters less than twice the width. If the area of the... (answered by ikleyn)
1) The lenght of a rectangle is 4 meters less than twice the width. If the area of the... (answered by ewatrrr)
The length of a rectangle is 2 meters less than twice the width, If the area of... (answered by Fombitz,MathTherapy)
The width of a rectangle is 7 ft less than the length. The area of the rectangle is 120... (answered by prabhjyot)