Which situation is best represented by the following equation?

40w + 12.50 = 492.50

a) nicole paid $40 for self-defense classes. she paid a $12.50 registration fee and $492.50 for each week she was enrolled in the classes. what is w, the number of weeks nicole was enrolled in self-defense classes?
b) nicole paid $12.50 for self-defense classes. she paid a $492.50 registration fee and $40 for each week she was enrolled in the classes. what is w, the number of weeks nicole was enrolled in self-defense classes?
c) nicole paid $492.50 for self-defense classes. she paid a $40 registration fee and $12.50 for each week she was enrolled in the classes. what is w, the number of weeks nicole was enrolled in self-defense classes?
d) nicole paid $492.50 for self-defense classes. she paid a $12.50 registration fee and $40 for each week she was enrolled in the classes. what is w, the number of weeks nicole was enrolled in self-defense classes?
eliminate