Use the table to answer the question.
Days Fine
2 30 cents
3 45 cents
4 60 cents
The table shows the fine owed for an overdue library book according to how many days it is overdue. What is the initial value?
(what is it?)
1 answer
The initial value can be determined by finding the fine for a book that is not overdue, which would be 0 days late. In this case, the fine is likely 15 cents (since it increases by 15 cents for each additional day overdue).