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Ant highway (Posted on 2018-08-17) Difficulty: 4 of 5
An ant is at a crossroads of a square grid of highways spaced 1 meter apart.

The ant can walk 1 meter in 15 seconds along a highway, but off-road it can only travel half as fast.

Find the area of the region composed of all points the ant can reach in at most 30 seconds.

Note: an ant highway is just a line with no thickness.

No Solution Yet Submitted by Jer    
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  Subject Author Date
previous post should have been titled solution (spoiler)Charlie2018-08-17 14:29:15
SolutionNo SubjectCharlie2018-08-17 14:23:48
thoughtsSteven Lord2018-08-17 09:20:54
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