Posted by Diana on Thursday, August 9, 2007 at 7:29pm.
A garden area is 30 ft long and 20 ft wide. A path of uniform width
is set around the edge. If the remaining garden area is 400 ft2, what is the width of
the path?
using the quadratic formula
I did the following:
Let x = distance between the inner rectangle and the outer boundry; i.e., x is the width of the border. Then
length is 20xx and the width is 20xx so (30xx)(20xx)=400
Solve for x.
Post your work if you get stuck.

math 117  Motu, Thursday, December 3, 2015 at 3:28am
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