It should be noted that the value of the equation will be 120 + 4w.
From the complete question, Iris has 120 songs on her playlist while she downloads 4 songs every week.
Therefore, the expression to show the total number of songs on iris playlist after w weeks will be:
= 120 + (4 × w)
= 120 + 4w
Learn more about equations on:
https://brainly.com/question/13763238
