1. ## Math Session #2

You have just made 81 coins. But soon after you realize that you made a lighter coin. How can you find out the lighter coin using only a balance 4 times?

2. My brain is already about to burst with my programming hw....no.....don't torture me...

3. Guillotine in place. Ready to torture

4. Guillotines don't torture, they can't really...I mean, you won't feel anything after it comes crashing down...

5. Bring the Time Machine and bring you back into the "Reign of Terror"

6. Weighing 1: divide the 81 coins into three stacks of 27 and weigh any two. If one stack is lighter than the other, eliminate all the coins but that stack. If they're the same, keep the stack you didn't weigh instead.

Weighing 2: divide the 27 remaining coins into 3 groups of 9; repeat

Weighing 3: divide the 9 remaining coins in to 3 groups of 3; repeat

Weighing 4: weigh any 2 of the remaining coins. If one is lighter than the other, that's the defective coin. Othersie, the one you didn't weigh is the defect.

7. NOOOO........

*grabs for the door of the time machine*

8. Procyon got it

The one that the Time Patrol have

9. oh geeze... good one... dorkus! should have used some strange arbitrary number like... 73 or something like that... so that we wouldn't be clued! gosh!

10. Time Patrol?

11. Time Patrol tutorial-

The police with time machine that arrest trans-time (new word!) criminals.

12. Oook, time patrol.....

Well, even if the number is 81, I still didn't get it, well, I guess I didn't bother to think...hehe...