none of the above have a value of 1
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A percent means a hundredth part - Thus:- Divide 354 by 100. This gives you the value for 1%. Then multiply the 1% value by 31 to give you the value of 31%. (345/100)*31 = 106.95
4123: factors = 1, 19, 31, 217, 133, 4123 prime factors = 7, 19, 31
31 41 61 71
The modern way of expressing 19 into Roman numerals is now XIX but the ancient Romans would have probably worked out the above calculations as follows: A: XXXI+IXX = L => 31+(20-1) = 50. B: XXXI+XVIIII = L => 31+19 = 50. C: XXXI-IXX = XII => 31-(20-1) = 12. D: XXXI-XVIIII = XII => 31-19 = 12.
In the Roman numeric system, symbols are given value. When a smaller value symbol proceeds a higher value symbol, then the smaller value symbol is subtracted from the high value symbol. In this case XC is equal to 90 (X =10, C = 100. So XC equals 100 - 10 or 90). The symbols that hold numeric are I = 1, V = 5, X = 10, L = 50, C = 100, D = 500, M = 1,000.