A company is selling raffle tickets to give
 away a flat screen tv. The price per ticket is
 $7. If the business want to now how much
 they'd make if they sold 106 tickets, which 
 equation should they use?
 A - k= 106-7
 B - 106 = 7 (y)
 C - x=106/7
 D - y=(7)106