Hailey signed up for a streaming music service that costs $14 per month. The service allows Hailey to listen to unlimited music, but if she wants to download songs for offline listening, the service charges $1.50 per song. How much total money would Hailey have to pay in a month in which she downloaded 40 songs? How much would she have to pay if she downloaded ss songs?

The given data can be written in the form of an AP, where n is the number of songs Hailey downloads

song_bill(n) = 14 + n(1.50)

Money Hailey has to pay after downloading 40 songs:

n = 40

song_bill(40) = 14 + 40(1.5)

song_bill(40) = 14  + 60

song_bill(40) = 74 dollars

Money Hailey has to pay after downloading ss songs:

n = ss

song_bill(ss) = 14 + ss(1.5)

song_bill(ss) = 14 + 1.5(ss) dollars

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