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in 1995,there were 400 cell phone subscribers in the small town of Centerville. the number of subscribers increased by 50% per year after 1995 .

how many cell phone subscribers were in Centerville in 1999 ?
(show work)​


Sagot :

Answer:

1200

Step-by-step explanation:

400 + 200y

1999 - 1995

Plug in 4 for y

400 + 200(4)

1200