the cost of the membershipe is = 16$
cost of the visit is = 1 $ per visit
he visits 9 times to the museum so,
visit cost will be 9 x 1 = 9 $
so, the total cost of 9 visits is,
= membership + visit cost for 9 days.
= 16 + 9
= 25 $
thus, the answer is 25 $