Problem 6

Crypto-Arithmetic (aka Eliminating Possibilities to keep a secret)

Basic Rules: Each letter represents a single digit (0-9).No two letters can represent the same digit. All A's will have the same value.

Example: Robert is a secret agent in New York City running from the KGB. He needs to communicate a message to his FBI handler and uses the crypto-arthemtic system the worked out by sending the following text message:

TOM was riding in a CAB filled with BOAS!

When Madeline (his handler) receives the message she has 15 minutes to decipher the message and locate the document at the right address

  T  O  M +   C  A  B    =    B O A S  

What are the possible solutions?

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