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Milton's Problem of the Week

Would you like to submit an answer via email?  Send it to slanderson@edgewood.edu!  Prizes are given at the end of the semester!

Happy Birthday Grandma!

You are on your way to visit your Grandma, who lives at the end of the valley. It's her birthday, and you want to give her the cakes you've made.

Between your house and her house, you have to cross 7 bridges, and as it goes in the land of make believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake.

How many cakes do you have to leave home with to make sure that you arrive at Grandma's with exactly 2 cakes?

Please email Sara Anderson at slanderson@edgewood.edu with any questions about this site.
Copyright © 2002 Sara Anderson and Edgewood College.   All rights reserved.
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