SOLUTION TO PROBLEM R-7

Since the center tile is on both diagonals, it follows that there are 51 black tiles on each diagonal. Thus, there are 51 tiles on each side for a total of 51²=2601 tiles on the floor.

Questions and/or comments should be directed to Judy Downey or Griff Elder

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Last modified:   Sat Mar 2 10:53:32 CST 2002