4. you and a friend go to the movies and split the cost of the movie tickets and snacks. you pay the bill. you tell your friend he owes only $9 because you owed him $4 from the last time you went to the movies. how much was the total bill? let b represent the total bill. identify the correct equation to represent this problem and the correct solution. (1 point)

a. b/2+ 4 = 9; b = $10
b. b/2– 4 = 9; b = $26
c. b/2+ 9 = 4; b = $26
d.2b – 4 = 9; b = $7.50
(will give medal