Answer :
The total amount of money Christina spent on streaming music service in a year is $36
How to find the total cost
- One time payment = $18
- Cost of each song = $1.20
- Number of songs = 15
Total yearly cost = One time payment + Cost of each song(Number of songs)
= 18 + 1.20(15)
= 18 + 18
= $36
Therefore, the total amount of money Christina spent on streaming music service in a year is $36
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