100/200=0.5 so, .5 x 30 = 15 more rabbits each year.
year 1-215
year 2-230
year 3-245
year 4-260
year 5-275
year 6-290
year 7-305
year 8-320
year 9-335
year 10-350
year 11-365
year 12-380
year 13-395
year 14-405
year 15-420
year 16-435
in year 2031 the rabbit farm will have 435 rabbits.