30. An amusement park charges $27 for adult tickets (a) and $24 for children s tickets

30. An amusement park charges $27 for adult tickets (a) and $24 for children's tickets (c) Monday the amusement park sold 272 tickets and collected $7.137
Which system of equations is a correct representation of this data?
AO 27a + 24c = 272
51a + 51c = 7.137
CO a+c=272
24a + 27c = 7.137
B.O a+c= 272
27a + 24c = 7.137
D. O a+c= 7.137
27a +24c = 272