SOLUTION: A farmer has a rectangular garden plot surrounded by 120ft of fence. Find the length and width of the garden if its area is 800 square feet.
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Question 399521: A farmer has a rectangular garden plot surrounded by 120ft of fence. Find the length and width of the garden if its area is 800 square feet.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let the width = ft
The length will be ft
Also,
ft
Multiply both sides by
I can solve by completing the square:
Both sides are perfect squares
Take the square root of both sides
There is a negative root also:
The length is 40 and the width is 20
check:
OK
ft2
OK
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