Write an equation to find the number of songs that jelly downloaded last month

Question

Jelly subcribes to a service called mysongs for downloading musi. She pays a $7 fee each month to downloa an unlimited amount of Songs at $0.20 a month. Last month Kelly’s bill was $23.80

Answer 1

a $7 fee each month to downloa an unlimited amount of Songs at $0.20 a month. Last month Kelly’s bill was $23.80

 

y = .20 (x) + 7.00

23.80 = .20x + 7.00

16.80 = .20x

x = 84 songs