Mathematics, 26.10.2020 01:10, edjiejwi

A rectangular park 40 yards wide was redesigned, and a path 1 yard wide was built around it. How long was the park before if, after the path was built, its area became 4200 square yards?

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A rectangular park 40 yards wide was redesigned, and a path 1 yard wide was built around it. How lon...