Answer:
14
Step-by-step explanation:
Writing an equation for the scenario get:
[tex]40=3x[/tex]
To solve for x (days), divide by 3:
[tex]x = \frac{40}{3} = 13.33[/tex]
So, he will have over 30 songs on the 14th day as pn the 13th day, it puts him just under 14. Your answe is 14 without units.