Total amount needed for the video game = $200 
Total amount of money saved = $68 
Amount of money that is needed to be saved = 200-68 =132 
So raj needs to work additional hours in order to earn the remaineder$132 for the video game 
Hourly wage = $5.5 
So, number of hours that Raj needs to work to earn $132 = $132/5.5 = 24 hours 
Number of hours that Raj needs to work to earn the remainder of the money = 24 hours