Pleas help Marisa saved $3000 to take a bike trip from Florida to California. She estimated her expenses to be $40 per day. The cost of a ticket to fly back is $240. The inequality below can be used to find the maximum number of days (d) for which Marisa can pay the expenses on the bike trip.

Which inequality expresses the maximum number of days Marisa can pay the expenses for her bike trip?

d < 40

d < 81

d < 69

d < 75