XXL is invalid because it violates at least two rules. Two X's (10) occur before the larger L (50), and a second X exists with the XL (40) subtractive pair.
The following arrangements are valid:
XL (50 - 10 = 40) is valid (XL is a subtractive pair)
MCM (1000 + (1000 - 100)) = 1900) is valid (1000 > 900, and CM is a subtractive pair).
250Improved Answer:-XXL = -20+50 = 30
In Roman numerals XXL is the equivalent of 30 because they mean -20+50 = 30
i thing it like 130Improved :-It is XXL = XXX = 30
XXL is not a valid numeral. You can use X (10) and XL (40), or you can use XX (20) and L (50), but you cannot use XXL.
It is equivalent to: XXX = 30 in Roman numerals. It also means extra, extra large.
250Improved Answer:-XXL = -20+50 = 30
In Roman numerals XXL is the equivalent of 30 because they mean -20+50 = 30
i thing it like 130Improved :-It is XXL = XXX = 30
XXL is not a valid numeral. You can use X (10) and XL (40), or you can use XX (20) and L (50), but you cannot use XXL.
It is equivalent to: XXX = 30 in Roman numerals. It also means extra, extra large.
The number one is I in roman numerals.
A does not have an equivalent in Roman numerals.
The number 49 in Roman numerals is XLIX and the number 99 in Roman numerals is XCIX
The number 1999 in Roman numerals is MCMXCIX
The number 638 in Roman numerals is DCXXXVIII
The number 951 in Roman numerals is CMLI
The number 2 in Roman numerals is written as "II".