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A building in a city has a rectangular base. The length of the base measures 60ft less than three times the width. The perimeter of the base is 840ft. What are the dimensions for this base?

The width of the base is __ft

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Answer:

The width of the base is 120ft. The length of the base is 60ft less than three times the width [1][2], so the length of the base is 180ft. Therefore, the dimensions of the base are 120ft x 180ft.

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