what are the 2 numbers that are formed by subtracting 1 are : (roman numeral notation)
options:
(a) 11 and 12 (b) 4 and 10
(c) 4 and 9(d) 5 and 6
The two numbers which are formed by subtracting 1 are : 4 and 9.
In roman notation, 4 is written as: IV
and 9 is written as: IX