A rectangular region has a fence along three sides and a wall along the fourth side. The fenced side opposite the wall is twice the length of each of the other two fenced sides. If the area of the rectangular region is 128 square feet, what is the total length of the fence in feet?
a. 4
b. 8
c. 16
d. 32
e. 64
Answer is d
5-Day Free Trial
5-day free, full-access trial TTP
Available with Beat the GMAT members only code
MORE DETAILS
A rectangular region
This topic has expert replies
-
dmateer25
- Community Manager
- Posts: 1049
- Joined: Sun Apr 06, 2008 5:15 pm
- Location: Pittsburgh, PA
- Thanked: 113 times
- Followed by:27 members
- GMAT Score:710
The fences side opposite the wall = 2x
The shorter fenced sides each = x
Area = 2x^2 = 128
x^2 = 64
x = 8
Now the 3 fences sides = x + x + 2x = 4x
4*8 = 32
D
The shorter fenced sides each = x
Area = 2x^2 = 128
x^2 = 64
x = 8
Now the 3 fences sides = x + x + 2x = 4x
4*8 = 32
D
