These road signs are on westbound IL Hwy-9 in Illinois.

The road signs say...

+------------------+ | Dallas City 4 | | Nauvoo 19 | +------------------+ +----------------+ +---------------+ | Speed Limit 55 | | West IL Hwy-9 | +----------------+ +---------------+the numbers are: 4 19 55 9 the math is: 4 * 9 + 19 = 55 more math: sqrt(4) * sqrt(9) = sqrt(55 - 19) rsAgeEval: 55 + 9 / (19 % 4) = 58 rsAgeEval: 55 + 4 - log(19 - 9) = 58 * RoadHacker was 58 years young when he found these signs. rsStateEval: 55 - 4! + 9 - 19 = 21 * Illinois was the 21st state admitted to the Union. rsHwyEval: (55 - 19) / sqrt(4) - 9 = 9 * These signs are on IL Hwy-9. rsCardinalityEval: (55 - 19) / sqrt(9)! - sqrt(4) = 4 * There are 4 numbers in these signs. ... modulus playground... 55 % 19 = 17; 55 % 9 = 1; 55 % 4 = 3 19 % 9 = 1; 19 % 4 = 3; 9 % 4 = 1

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 25 July 2015

This work is licensed under a Creative Commons Attribution 3.0 United States License.