Question 1192799: wMAT 145: Topics In Contemporary Math
More Modular Arithmetic
Find each of the following.
14) Convert the message “CLASS IS FUN” to its numerical representation.
15) Find the encrypted message that would be sent if “PROFESSOR HOLZ” is sent using the
encryption
e = (3m + 7) mod 26
Answer by greenestamps(13200)   (Show Source):
You can put this solution on YOUR website!
We are not in your MAT 145 class; we don't know for sure what you/we are supposed to do here.
It is very possible that the "numerical representation" of a letter is its position in the alphabet: A=1, B=2, etc. But in your class it might be defined differently.
And we definitely don't know what is meant by the numerical representation of a word or phrase.
As for the encryption, we can assume, because of the "mod 26" in the definition of the encryption, that we are to convert each letter to a new letter using the given formula; for example
P=16; (3(16)+7) mod 26 = 55 mod 26 = 3 = C
And if that is what we are to do, then the task is straightforward; there is no point in our doing the work for you.
If you really need help with any of this, re-post, explaining the problem completely (as if to someone who is not in your class), showing what YOU have done to try to work the problem, and telling us what it is about the problem that you are having trouble with.
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