Answer:
24 + x = 60
Owen earns $36 in the Saturday afternoon.
Explanation:
On Saturday morning, Owen earned $ 24. By the end of the afternoon, he had earned a total of $ 60.
Now, if Owen earned $x on Saturday afternoon, then the equation of x that models the situation will be
24 + x = 60 (Answer)
Solving the above equation we get
x = $36
Therefore, Owen earns $36 on Saturday afternoon. (Answer)