Question

kelly subscribes to a service called mysongs for downloading music she pays a $7 fee each month to download an unlimited numbers of songs at $0.20 each last month kelly's bill was $23.80

Answer 1

subtract the fee from the total to get the amount actually spent on songs

23.80-7 = 16.80

divide that amount by price per song to get number of songs downloaded

16.80 /0.20 = 84 songs