The admission fee to a video game arcade is $2.00 per person, and it costs $0.50 for each game played. Shelli and Veronica have a total of $20.00 to spend. What is the greatest number of games they will be able to play?
20.00
-4.00 (admission for two people)
x
x divided by 2 (2 games for each dollar left) = ???