Answer
Please see the graph.
Work Step by Step
$3.5x+8y \leq60$
$x+y \geq12$
x = songs
y = videos
The overlap of the two lines is the solution set. Also, $x\geq0$, so we are limited to the area above the x-axis.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.