David Slauenwhite makes a return with another mathematically significant roadsign from Pennsylvania. That’s 13 signs for Pennsylvania now. This submission also marks the second using these odd little white signs that are found in Pennsylvania (see Little White Sign). These signs have the potential to bring very intersting math to the game.
The math here is a little deceptive. It’s clear to even the casual observer that 2005 - 2002 results in 3, but how to get 3 out of the rest of the numbers!
{2005 – 2002} = { {50-20} \over {10} }
This sign is found on the south-side of Liberty, Pennsylvania, on the old US 15 that was renamed to SR 2005 in the 1990’s. The GPS coordinates for this sign are approximately N41 33 21.0 W77 05 51.0. See sign on map!
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