Question: A person's rectangular dog pen for his dog must have an area of 100 square feet. Also, the length must be 40 feet longer than

A person's rectangular dog pen for his dog must have an

A person's rectangular dog pen for his dog must have an area of 100 square feet. Also, the length must be 40 feet longer than the width. Find the dimensions of the pen. The width of the pen is and the length of the pen is (Simplify your answers, including any radicals. Use integers or fractions for any numbers in the expressions.)

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