Robert wants to fence a rectangular plot of land of at least 500 square feet while using the least amount of fencing possible. He wants the width of the plot to be 5 ft longer than the length. What is the width of the plot?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Robert wants to fence a rectangular plot of land of at least 500 square feet while using the least amount of fencing possible. He wants the width of the plot to be 5 ft longer than the length. What is the width of the plot?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
25 \text{ ft}
Robert wants to fence a rectangular plot of land of at least 500 square feet while using the least amount of fencing possible. He wants the width of the plot to be 5 ft longer than the length. What is the width of the plot?
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