Brian sat in a massage chair at a shopping mall for 8 minutes and paid $9. Norah sat in the same massage chair for 12 minutes and paid $11. If the relationship between the number of minutes and the amount paid is linear, with x representing the minutos and y representing the amount paid in dollars, which equation models this situation?
A. x= 0.5y + 5

B. x=y+1

С. y = 0.52 +5

D. y=x+1