Roughly 120 San Antonio restaurants will offer three- or four-course fixed-price menus during Culinaria’s annual end-of-summer Restaurant Weeks, which run Aug. 12-26. As part of the biannual event, participating eateries offer the special menus at lunch, dinner and — new this season — brunch. Lunch prices are set at $20 and $30, dinners run $35, $45 and $55 and brunch menus are set at $25.