Answer :
Using a system of equations, it is found that the second term represents the amount earned by Finn.
What is a system of equations?
A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, considering z as the number of crates of oranges sold, and that each orange is sold for $5, the second term 5z represents the amount earned by Finn.
More can be learned about a system of equations at https://brainly.com/question/24342899