Question 7
The number of parrots in forest A decreases by 120 per year, while the number of parrots in forest B increases by 80 per year. There were 7,340 parrots in forest A in the year 2000 and 4,200 parrots in forest B in year 2003. In what year will the number of parrots in forest B start to exceed the number of parrots in forest A?