Students
Three students sit in the front row, and 11 students sit in every other row, more than in the previous row. Determine how many students are in the room when the room is nine lines and how many students are in the seventh row.
  Final Answer:

You need to know the following knowledge to solve this word math problem:
algebraarithmeticbasic operations and conceptsGrade of the word problem
Related math problems and questions:
- Chairs 
 Determine the number of seats in the seventh and ninth rows if the 3rd row has 14 seats and every next row has five more than the previous row. - Sit-ups 
 Vojta strengthens for eight weeks. In the first week, he did five sit-ups a day. He did one more per day every week than in the previous week. How many sit-ups has Vojta made? - Roof 
 Tiles are stacked in rows on the trapezoidal-shaped roof. At the ridge are 47 tiles, and each subsequent row has one more tile than the previous row. How many tiles are covered the roof if the lowermost row has 69 tiles? - Row for lunch 
 There are less than 66 people in a row for lunch. In front of Eva, there are 28 students. Behind Martin, there are 30 people. Between Eva and Martin, there are 17 people. How many students would stand behind Eva if Martin stood in front of Eva? - Student examination 
 How many ways can a teacher select a group of 6 students to sit in the front row if the class has 13 students? - Chocholate pyramid 
 How many chocolates are on the third shelf when on the 8th shelf are 41 chocolates on any other shelf? Are seven chocolates more than the previous shelf? - Spectators 82430 
 In a circus, in one sector for spectators, the seats are arranged in such a way that in each higher row, there is one more seat than in the previous one. How many seats are there in a sector with 22 rows if there are 8 seats in the first row? 
