SOLUTION: Please help ! A rectangular garden is 15 ft longer than it is wide. Its area is 2200 ft{}^2. What are its dimensions?

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Question 953538: Please help !
A rectangular garden is 15 ft longer than it is wide. Its area is 2200 ft{}^2. What are its dimensions?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
A rectangular garden is 15 ft longer than it is wide. Its area is 2200 ft{}^2. What are its dimensions?
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width:: w
length = w+15
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Equation:
w(w+15) = 2200
w^2 + 15w - 2200 = 0
Factor::
(w-40)(w+55) = 0
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Positive solution::
width = 40 ft
length = 40+15 = 55 ft
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Cheers,
Stan H.
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