Mathematics, 31.05.2020 03:00, janilaw1

A rectangular pond measures 3 m by 5 m. A concrete walk of uniform width (the same width on all sides) is constructed around the pond. If the walk and pond together cover an area of 39 square meters, write an equation that can be used to find the width x of the walk?

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A rectangular pond measures 3 m by 5 m. A concrete walk of uniform width (the same width on all side...