Number equivalent to the Roman number CDLXXXIX is:A689B691C489D491Answer: C. 489 Read Explanation: CD = 400 (500 - 100) L = 50 XXX = 30 (10 + 10 + 10) IX = 9 (10 - 1) 400 + 50 + 30 + 9 = 489Read more in App