You are going to spend $47.50 to play games at the fair. Each game costs $0.50 per play. Which of these equations best shows how much money you have left as you play the games?
A : Money Left = -50 • Games Played + 47.50
B : Money Left = -0.50 • Games Played + 47.50
C : Money Left = 0.50 • Games Played + 47.50
D : Money Left = 47.50 • Games Played + 0.50
A : Money Left = -50 • Games Played + 47.50
B : Money Left = -0.50 • Games Played + 47.50
C : Money Left = 0.50 • Games Played + 47.50
D : Money Left = 47.50 • Games Played + 0.50