To solve the problem of how many students were seated in the auditorium, we need to break it down step-by-step. The correct responses to select are:
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Find how many seats are in each of the rows where the students are sitting.
- For Section A, Level 1 has 9 seats per row; for Section B, Level 3 has 18 seats per row.
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Multiply 6 and 9 to find the number of students seated in Section A.
- Since there are 6 rows filled in Section A at Level 1 with 9 seats each, we calculate \(6 \times 9 = 54\) students seated in Section A.
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Multiply 3 and 18 to find the number of students seated in Section B.
- For Section B, there are 3 rows filled in Level 3 with 18 seats each, so we calculate \(3 \times 18 = 54\) students seated in Section B.
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Add the total number of students from both sections to find the total number of students seated in the auditorium.
- Add the students from both sections: \(54 + 54 = 108\).
The steps to select are:
- Find how many seats are in each of the rows where the students are sitting.
- Multiply 6 and 9 to find the number of students seated in Section A.
- Multiply 3 and 18 to find the number of students seated in Section B.
- Add the results from Section A and Section B to find the total number of students seated in the auditorium (not explicitly provided as an option, but necessary for the complete solution).
The other options (adding 6 and 3, adding 9 and 18, or multiplying numbers unrelated to the rows and levels) are not relevant to solving the problem correctly.