This is one in a series of nine P&G puzzles in rural Niagara-on-the-Lake, all with a similar twist.
Riddle: In Lake Victoria, there is a variety of water hyacinths that doubles their size every other day. If it has taken 50 days to cover the whole lake, how many days did it take to cover half the lake?
Take the answer and multiply it by (0/99).
Add the result to the North coordinate and subtract from the West coordinates to take you to the cache.
