# Math Help - Constrction

1. ## Constrction

A garden area is 30 ft long and 20 ft wide. A path of uniform width is set around the edgge. if the remaining garden area is 400ft^(squared), what is the width of the path?
How do i set this up..I am stuck

2. Let $x$ be the width of the path.
The remaining garden area is $(30-2x)(20-2x)$
Can you finish it?