John's friend told him that he could earn $49 for handing out flyers at a local concert. John wants to calculate the hourly rate. If he works a total of 3.5 hours, the equation 3.5x = 49 can be used to determine his hourly rate What would John's hourly rate be, in dollars?
A. 1.40
B. $14.00
C. $45.50
D. $171.50