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It is: 9 because IX means 10-1 = 9
Never but only in a trick question because:- 13 as a Roman numeral is XIII and halving it = VIII = 8 Likewise 9 as a Roman numeral is IX and halving it = IV = 4
120 multiplied by 60 multiplied by 100 is 720,000
IX (9) + XV (15) + XX (20) = XLIV (44)
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