CDIX is supposed to represent 409
409
81.8% = 81.8/100 = 818/1000 = 409/50081.8% = 81.8/100 = 818/1000 = 409/50081.8% = 81.8/100 = 818/1000 = 409/50081.8% = 81.8/100 = 818/1000 = 409/500
409. CD = 400 As D = 500 And IX = 9 Therefore, the answer is 409.
LIXImproved Answer:-In todays notation of Roman numerals: 409 = CDIX
EEIC
not PEC
CDIX is supposed to represent 409
it was the 409th formula the inventors mixed up that finally worked the way the way they wanted it tothey trademarked the name "Formula 409" in a specific stylized character font to represent their product
Purpose
409 = 409/1
The factors of 409 are: 1, 409.
80% of 409 = 327.2 = 80% * 409 = 80%/100% * 409 = 3272/10 or 327.2
It is: 1 times 409 = 409 which is a prime number
1 and 409.
409 + 623 = 1032
409