In 1985, there were 285 cell phone subscribers in the small town of centerville. the number of subscribers increased by 75% per year after 1985. how many cell phone subscribers were there in centerville in 1995?

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.