The towns of Franklin in Chester post their populations on signs just outside of their town. The signs are updated once a year at the beginning of the year. during your one Franklin sign read Franklin population of 20,000 Welchester sign read Chester population of 25,000. Each year the populations grew specifically when Franklin‘s population grew by 5% each year Chester‘s population grew by 500 people each year what is the first year which Franklin signs shows a larger number than Chester‘s