Ah m'arty's aye ave a litel pyrate puselle four thee......arrghhhh !! landlubbers
If Blackbeard (B) has 59 crew and Capt. Morgan (A) has 9 more, and Capt. Roberts (D) has 5 less than Capt. Tortuga, but 69 more than Capt. Kidd (C), how many crew does Capt. Tortuga (E) have ?
Actual Coordinates - N 25 W.X E 051 Y.Z
W = E - (B+C)
X = 3(B+D) - C + 4
Y = E - D
Z = 2D + C - 1
A 4 x 4 vehicle is required to access the site of the cache and the normal minimum precautions of going into the desert (lots of water, at least two reliable vehicles, recovery equipment and communications) must be considered. 
Vgf nyy va gur nycunahzrevpnyf......trg lbhe perj ahzoref evtug naq obo'f lbhe Hapyr!!!
Abgr:
Jurer k(a) = zhygvcyl
naq jurer (a)k = fdhner
Qbrf 'k' znex gur fcbg ?