BARS::Approaching Exits 143ABC on Westbound I-10 in Phoenix, Arizona

These road signs were found on westbound I-10 in Phoenix, Arizona.

The road signs say...

   +---------------------+ +--------------+ +-----------+
   |     HOV 2+ Only     | | Exits 143A-B | | Exit 143C |
   | 6am to 9am          | |     I-17     | | 19th Ave  |
   | 3pm to 7pm  Mon-Fri | |   Flagstaff  | | Grand Ave |
   +---------------------+ | 1 1/4  Miles | |   1 Mile  |
                           +--------------+ +-----------+

   the numbers are:  6  9  3  7  2  143  (1 1/4)  143  19  1

   the math is:
   sqrt(sqrt(143 + 1) * sqrt(143 + (3 - 2))) - ((19 - (6 + 9)) * (1 1/4)) = 7

	[exercise] find simplier math

Creator: Gerald D. Thurman [gthurman@gmail.com]
Created: 24 March 2007

Creative Commons License
This work is licensed under a Creative Commons License.