In 1985, there were 285 cell phone subscribers in the small town of glenwood. the number of subscribers increased by 75% per year after 1985. how many cell phone subscribers were in glenwood in 1990?
years
1986 (x = 1)
1987 (x = 2)
1988 (x = 3)
number of cell phone users
498
872
1527
a. 1800
b. 2672
c. 4677
d. 8186