Flock, Clock, Click, Chick, Chock, Shock, Shack, Stack. Stick, Stuck

Firstly, place one lock onto the box. Lock it and send the box to your companion. Inform them beforehand to place their own lock on the box and leave it locked. Then have them send the box back to you for you to unlock yours. Finally send them the box so they can simply unlock it and take out the valuable.

11 Hours and 15 minutes

54 miles

Week 11

T

Eyes

There was only three people to begin with, one grandfather, one father, and one son. This equates to two fathers and two sons.

Pour all of the marbles into one jar, then take one white marble from that jar and place it into the empty jar. This gives them a 2/3 chance of living. First a 50/50 (One guaranteed salvation) followed by a 49/50. This is the optimal chance you can have in this situation.

Around 3570 km.