SOLUTION: The length of a rectangle is 4 centimeters longer than its width. The area of the rectangle is 320 square centimeters. Find the width of the rectangle.
Algebra.Com
Question 1092515: The length of a rectangle is 4 centimeters longer than its width. The area of the rectangle is 320 square centimeters. Find the width of the rectangle.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
width=w
length=w+4
area is w(w+4)=320
w^2+4w-320=0
(w+20)(w-16)=0
w=16 cm only positive root. ANSWER
length=20 cm
area is 16*20=320 cm^2
RELATED QUESTIONS
The length of a rectangle is 4 centimeters longer than the width of the rectangle. The... (answered by fractalier)
The area of a rectangle is 48 square centimeters. If the length of the rectangle is 8... (answered by RAY100)
The area of a rectangle is 48 square centimeters. If the length of the rectangle is 8... (answered by CharlesG2)
The length of a rectangle is 4 centimeters less than its width. What are the dimensions... (answered by Cromlix)
The length of a rectangle is 4 centimeters less than its width. What are the dimensions... (answered by jim_thompson5910)
The length of a certain rectangle is 4 centimeters longer than its width. And the number... (answered by ankor@dixie-net.com)
the length of a rectangle is 4 centimeters less than three times its width. If the area... (answered by ewatrrr)
A rectangle’s length is 2 centimeters more than its width. The area of the rectangle is... (answered by Cromlix)
The length of a rectangle is 4 centimeters less than its width. What are the dimensions... (answered by MathLover1,Alan3354)