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Another Puzzle from Crack the Safe:  Level 2

2/2/2021

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If you enjoy these puzzles (or if you need help learning to solve them) then our new book Crack the Safe:  Level 2 is now available.  This new book contains 31 unique puzzles and includes full, detailed solutions.
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    Brian and Melanie Fulton both earned doctoral degrees in mathematics at Virginia Tech.  They formerly taught math at the university level, and now run a hobby farm while accuracy-checking collegiate mathematics texts.  They homeschool their four children, frequently employing the aid of chicken, dairy goat, cat, and dog tutors. ​

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  • The Math Profs
  • Books
  • Blog
  • Grids for Kids
  • Crack the Safe Series
  • Reviews
  • Authors