A racetrack is in the form of a ring whose inner circumference is \( 352 \mathrm{~m} \) and oute...

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A racetrack is in the form of a ring whose inner circumference is \( 352 \mathrm{~m} \) and outer circumference is \( 396 \mathrm{~m} \). Find the width and the area of the track.
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