sandys classroom has tables that are shaped like trapezoids. three tables are placed together in a u-shape.One student can sit at the short base of the trapezoid or at the end of the table.two students can sit at the long base of the trapezoid. how many students can sit at the tables the way they are arranged?

To determine how many students can sit at the tables arranged in a U-shape, we need to consider the seating capacity of each table and then calculate accordingly.

From the given information, we know that:
- One student can sit at the short base of the trapezoid or at the end of the table.
- Two students can sit at the long base of the trapezoid.

Based on this, let's analyze the U-shaped arrangement of the tables.

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In the U-shaped arrangement, there are three tables placed together. Since one student can sit at the short base of each table or at the end of each table, we can accommodate three students in these positions.

Additionally, since two students can sit at the long base of each table, we can accommodate six students in total for the long bases.

Therefore, the total number of students who can sit at the tables in the given U-shaped arrangement is three (for the short bases) + six (for the long bases) = 9 students.

So, a total of 9 students can sit at the tables arranged in a U-shape.