Answer:
304
Step-by-step explanation:
534-18=516
516-212=304
304 But maybe its not that because the question is not clear. 534-212-18=304 or you can do 212+18=230 534-230=304
219.1
Mean: Add all numbers together and divide by the amount of numbers
Numbers added together = 2,191
2,191/10 = 219.1