6). (3 points) We sold 240 tickets to our school Halloween carnival. Tickets cost $1 and $2. We sold $300 worth of tickets. How many $2 tickets did we sell?
(Hint: set up a guess-and-check table)



Answer:__________

(Hint: Set up a guess-and-check table. You write in the column titles)
Guess
  
1
 
 
                                     
 
                                     
 
                                     
 
                                     


7). (3 points) My bowling average for 3 games was 160. My first 2 games were 155 and 169. What was the score on my third game?
(Note: if you can't figure this out, you can always use guess-and-check!)



Answer: __________