Question

From previous work with Boris and Natasha, you know that their encoding and decoding functions are always linear and have 1 as the coefficient of x. 25 19 19 30 41 17 15 26 27 41 15 28 18 41 18 29 41 34 22 19 41 27 15 34 22
You do not know the encoding or decoding function, but you know this message consists of 6 words.
a. How would you decode the message? Explain your strategy in complete sentences using proper grammar and correct spelling.
b. Identify the decoding function. Show your work.
c. What is the message?
d. Why is it necessary for the encoding function to be one-to-one?
please help! and thank you!

Answer 1

This is obviously a mix of teaser cipher (shift) and pig pen cipher (holy), the only catch here is that numbers are replaced with letters. Knowing "a" should easily give you "b", "c", and "d".

Answer 2

Def cc and pig pen as Doc said, try one then the other, or switch them, brute also works, as it always does, but it'd take a heck ton of strings.