Answer:
21 only
Step-by-step explanation:
because 21 joined the first trip and then it just added 11 to the next trip that's why 21 students joined both field trips.
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Answers & Comments
Answer:
21 only
Step-by-step explanation:
because 21 joined the first trip and then it just added 11 to the next trip that's why 21 students joined both field trips.