### BARS::3 Miles From McNary on AZ Hwy-260 in Arizona

This road sign is three miles east of McNary on AZ Hwy-260 in Arizona.

The road sign says...

```   +------------------------------+
| 3 McNary                  -> |
| 6 Hon-Dah                 -> |
| <- Sush-Be-Tou Lake        5 |
| <- Bog Tank                8 |
| <- Horseshoe Cienega Lake  8 |
| <- A-1 Lake               12 |
| <- Hawley Lake            15 |
| <- Sunrise Lake           17 |
+------------------------------+
```
```   the numbers are:  3  6  5  8  8  12  15  17  1

the math is:  (6 - 5) * (3 - 1) + (17 - 15) + (12 - 8) = 8
1    *    2    +     2     +     4    = 8
2         +     2     +     4    = 8

[exercise]  Find more equations.

[solve for 'n']  (6 - n) * (3 - 1) + (17 - 15) + (12 - 8) = 8
```

Note: This road sign is 12 miles from A-1 Lake. A-1 Lake was "named after an Apache Chieftan. His name wasn't actually A-1, but the U.S. Army officials couldn't easily pronounce his Apache name, so he was referred to as A-1." [source: Go-Arizona.com]

##### Update::2008.10.31

The following math was discovered on 31 October 2008 after this BARS was selected as one of the BARS of the Week for Week #11 of the fall 2008 semester.

```   the numbers are:  3  6  5  8  8  12  15  17  1

the math is:  sqrt(8 + 8 + 15 - 6) * 5 - 12 + 3 + 1 = 17

rsPhiEval:  (3 - 12 / 6 - 8 / 8 + 1 + sqrt(5)) / (17 - 15) = Phi
* Phi is the golden ratio and it approximates 1.61803399

how the math was found...
We remembered that (1 + sqrt(5)) / 2 equals Phi.  17 - 15 was
placed in the divisor and sqrt(5) in the dividend.  The remaining
numbers were used to find an expression that evaluated to 1.

rsPiEval:  (5 + 17) * (12 / (8 - 6) - (15 / 3)) / (8 - 1) = Pi
* 22/7 approximates Pi (3.14) rounded to nearest hundredth

how the math was found...
We remembered that 22/7 approximates Pi.  5 + 17 was placed
in the numerator and 8 - 1 in the denominator.  The remaining
numbers were used to find an expression that evaluated to 1.

rs42Eval:  (3 + 6 + 5 + 8 + 8 + 12) * (17 - 15 - 1) = 42
* 42 is the "Answer to Life, the Universe, and Everything"

rsAgeEval:  17 + 15 + 12 + 6 + (5 - 8 / 8 - 3 - 1) = 50
* RoadHacker was 50 years young when he found this sign.

rsAgeEval:  17 + 15 + 12 + 6 + (5 - 8 / 8 - 3 * 1) = 51
* MathBabbler was 51 years young when he found this equation.

rsHwyEval:  (17 * 15 + 5) * (12 / 6 + 8 / 8 - 3 + 1) = 260
* This sign was found on AZ Hwy-260.

how the math was found...
We multiplied the two largest numbers together to get 255
and added the 5 to get 260.  The remaining numbers to were
used to find an expression that evaluated to 1.

[exericse]  Find more equations.
```
##### Update::2009.04.23

The following math was discovered on 23 April 2009 after this BARS was selected as one of the BARS of the Week for Week #14 of the spring 2009 semester.

```   the numbers are:  3  6  5  8  8  12  15  17  1

the math is:  sqrt(sqrt(3 + 6) + sqrt(5 * 8 + 8 + 1) + 15) + 12 = 17

more math:  (17! / 15!) / (12 + 3 + 1) - 8 + 5 - 6 = 8

[exericse]  Find more equations.
```

Creator: Gerald Thurman [gthurman@gmail.com]
Created: 16 March 2008 