The matrix was used to code the following messages: (a) 64 36 75 47 75 47 49 29 60 36 60
Chapter 3, Problem 66(choose chapter or problem)
The matrix was used to code the following messages: (a) 64 36 75 47 75 47 49 29 60 36 60 37 53 33 71 39 35 18 (b) 76 49 64 41 95 55 43 24 69 42 59 32 77 45 27 15 37 21 128 77 Use the inverse to decode each message.
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