945 is your answer. Since you add ten percent of 450 (which is 45) to one of the 450s so that would be 495. And you need to account for the past month so you add 450 to 495 to get 945.
Answer: I would say 4 centimeters
Step-by-step explanation: Well if 24 divided by 6 equals 4 then I would say 4