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Linda is planning to build a rectangular deck that is 12 feet longer than it is wide. Find its width if its area is 589 square feet. Write an equation that models this problem?

User Snajahi
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Let the width be x, then the length is x + 12.
Area = length x width = x(x + 12) = 589

x^(2) +12x = 589
Solving the quadratic equation, we have that
x = 19 feet
i.e. the width is 19 feet.
User Rgoliveira
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