Sierra has budgeted $90 a month for entertainment expenses, such as movies, concerts, and sporting events. By the end of the second week of July, she had already spent $54 on entertainment expenses. She plans to only go to movies for her entertainment in the last two weeks of July, and the theater she goes to charges $12 per ticket. If she wants to stay at or under budget, and x represents the number of tickets to the movies she can buy, which of the following inequalities symbolizes this situation? A.
$12x + $54 > $90
B.
$12x + $54 < $90
C.
$54x + $12 > $90
D.
$54x + $12 < $90