Adance studio charges $17 for the first ballet class a dancer takes and $11 for each class after that.
what are the first four terms of an arithmetic sequence in which an is the total amount a dancer pays, in dollars, for taking n ballet classes?
what is the explicit rule for the arithmetic sequence?
an =
+ (n – 1)
keena paid a total of $94 to take ballet classes. how many classes did she take?
classes.