Each day that a library book is kept past its due date, a $0. 30 fee is charged at midnight. Which ordered pair is a viable solution if x represents the number of days that a library book is late and y represents the total fee? a. (–3, –0. 90).
b. (–2. 5, –0. 75).
c. (4. 5, 1. 35).
d. (8, 2. 40).