XL meaning: -10+50 = 40
The answer is LXXIX
It is MMXXX
CXLVI
LXXXIII
MMMMMMMMMXCIX is 9099 in roman numerals
It is: 200 = CC
365 = CCCLXV
XXX is the Roman numeral for 30. XL is the Roman numeral for 40.
XL (40)
In todays notation of Roman numerals: MCMXLVIII
In todays notation of Roman numerals: (XVI)CDLXXXVII
X-VIII-XI