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 in centerville in 1994?

Therefore there were 43,872 cell phone subscribers in Centerville in 1994.

Step-by-step explanation:

Given that, in 1985 , the number of cell phone sub subscribers was 285 in the small town Centerville.

The number of subscribers increased by 75 % per year after 1985.

The number of subscribers increased per year, to find the number of subscriber we have to use compound formula.

Here A = ?

P= 285

r= 75%

n=(1994-1985) year= 9 year

        ≈43,872

Therefore there were 43,872 cell phone subscribers in Centerville in 1994.

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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