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An irregular plot of land is surrounded by four straight segments of the fence of meter lengths \((5x + 5), (5x + 5),\)

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by Vincen » Sat Jan 30, 2021 9:48 pm

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An irregular plot of land is surrounded by four straight segments of the fence of meter lengths \((5x + 5), (5x + 5), (3x + 10)\) and \(2x.\) Is the total length of fence greater than \(70\) meters?

(1) The average (arithmetic mean) fence segment length is less than \(25\) meters.

(2) The largest fence segment is three times the length of the smallest fence segment.

Answer: B

Source: Princeton Review
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