I'm not 100%, maybe someone will chime in with a positive answer.
The ones I've bowled in were 4 man teams. First game was team, second game we split into 2 doubles teams, and the 3rd was singles. Therefore, you had one point for the team, 2 points for doubles and 4 for singles. 7 possible points out there for the night.
I liked this format very well because you (or another team mate) could have an off night and not lose every point because of it. Also, it was more fun breaking off into the doubles and singles - just the change of pace I guess.
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Why, WHY won't the last one just fall?? It's WIGGLING for cryin' out loud!!