SOLUTION: The length of a vegetable garden is 3 feet longer than its width. If the area of the garden is 180 square feet, find its dimensions. Show how you did it.

Question 689852: The length of a vegetable garden is 3 feet longer than its width. If the area of the garden is 180 square feet, find its dimensions. Show how you did it.
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
Let the width be w. Then the length =
The area of a rectangle is

Now factor this or use the quadratic equation

So either w-12= 0 or w+15=0
Thus w = 12 or w = -15
Since the width cannot be -15 feet, then the width must be 12.
Which makes the length 15.
Get it?

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