The ski club at a local school wants to hold a bake sale. they are selling cookies for five dollars a dozen. their supplies cost the club sixty dollars. write an equation that models their fundraising efforts. use y for their total amount of money they will ultimately earn for their club and the variable x for how many dozens of cookies they will sell during the fundraiser.

a) y=5x+60

b) y=60

c) y=5x

d) y=5x−60