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The figure above shows a path

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boomgoesthegmat Senior | Next Rank: 100 Posts Default Avatar
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The figure above shows a path

Post Thu Apr 28, 2016 1:33 pm
ttp://postimage.org/" target="_blank">

The figure above shows a path around a triangular piece of land. Mary walked the distance of 8 miles from P to Q and then walked the distance of 6 miles from Q to R. If Ted walked directly from P to R, by what percent did the distance that Mary walked exceed the distance that Ted walked?

A) 30%
B) 40%
C) 50%
D) 60%
E) 80%

B

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Post Thu Apr 28, 2016 2:14 pm
This is a 6-8-10 right ∆, so Ted walked 10 meters.

Mary walked 14 meters, so she walked

(14 - 10)/10 => 4/10 => .4 => 40% further than Ted.

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