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Dead Serious Multi-Cache

Hidden : 8/1/2008
Difficulty:
2 out of 5
Terrain:
2 out of 5

Size: Size:   small (small)

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Geocache Description:

This is a quick multi to break up the drive from Port Wakefield to the Yorke Peninsula. The final location of the cache is located along the same road only a short distance from the initial coordinates.

The message on the sign near the given coordinates (they are not DEAD on) is as the name of the cache states. Please take it SERIOUSly.

We've always thought that this sign is a great idea.

To work out the final location, you need to do some SERIOUS maths that probably won't be DEAD easy.

1. Let x = the upper number on the sign
2. Let y = the lower number on the sign

The cache is located at the following coordinates:

S 34° ( x * ( 23 + x ) * ( 8 - 15 + 7 ) + 7 + 441 / 1000 )'
E 138° ( ( ( ( y * 45 + 18 ) - ( 5 + 6 ) - 7 ) / ( 9 * 5 ) ) / y + 7 + 256 / 1000 )'

This section of road can be extremely busy at times, so please be careful. We're being DEAD SERIOUS.

Please don't log any maths spoilers!

Additional Hints (Decrypt)

OBQZNF

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)