Answers 
(Do not show to the students until they 
have turned in their programs. )

1. Fractions to Decimals
11/59 = .(18644067796610169491525423
72881355932203389830508474576271)

2. Prime Cryptarithm
      7 7 5
    x   3 3
     ------
    2 3 2 5
  2 3 2 5
  ---------
  2 5 5 7 5

    The number of unique solutions = 1

3. 6x6 Checker Challenge

2 4 6 1 3 5
3 6 2 5 1 4
4 1 5 2 6 3
5 3 1 6 4 2

There are 4 solutions to the 6x6 Checker 
Challenge.

4. Shuttle Puzzle
    n=4

wwww bbbb
wwwwb bbb
www bwbbb
ww wbwbbb
wwbw wbbb
wwbwbw bb
wwbwbwb b
wwbwb bwb
wwb bwbwb
w bwbwbwb
 wbwbwbwb
bw wbwbwb
bwbw wbwb
bwbwbw wb
bwbwbwbw
bwbwbwb w
bwbwb bww
bwb bwbww
b bwbwbww
bb wbwbww
bbbw wbww
bbbwbw ww
bbbwb www
bbb bwwww
bbbb wwww


5. All Latin Squares
  N=5
  The number of 5x5 Latin Squares is 1344.