A store sells almonds for $8 per pound and $14 per pound. A customer paid $31.50 for a 3-pound mixture of almonds and peanuts. The following system of equations can be shown to represent this situation
2 + y = 3
8x + 14y = 31.5
The customer bought an additional pound of almonds. Wich system of equations represents this change to the situation?

A. x + y = 3
8x + 14y = 31.5

B. X + y + 3
18x + 14y = 39.5

C. x + y = 3
8x + 14y = 45.5

D. 8x + 14y = 45.5