This is one in a series of nine P&G puzzles in rural Niagara-on-the-Lake, all with a similar twist.
Riddle: If it takes 18 minutes to hard boil 4 eggs at 10,000 feet altitude. How long will it take to boil only two eggs?
Take the answer and multiply by (0.000000000000001 (rounded to one decimal place)).
Add the result to the North coordinate and subtract from the West coordinates to take you to the cache.
