Complex sentence: Phyllis is severely lacking in the skills found in most troop leaders and resolves to teach the girls how to survive in "the wilds of Beverly Hills," and to that end customizes new merit badges for her troop.
Split into simpler sentences: Phyllis is severely lacking in the skills found in most troop leaders. She resolves to teach the girls how to survive in "the wilds of Beverly Hills," and to that end customizes new merit badges for her troop.