SOLUTION: Solve. A garden area is 30 feet long and 20 feet wide. A path of uniform width is set around the edge. If the remaining garden area is 400 feet squared, what is the width of the

Question 121358: Solve.
A garden area is 30 feet long and 20 feet wide. A path of uniform width is set around the edge. If the remaining garden area is 400 feet squared, what is the width of the path?
Answer by jaymore(5) (Show Source): You can put this solution on YOUR website!
Let the width of the path be x
New dimension will be:
30-2x and 20-2x
Area is 400
(30-2x)(20-2x)=400
Expand to get 4x2-100x+200=0
Divide by 4 throught the equation to get
x2-25x+50=0
Factorize or use quadratic formula get the value of X.
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