2 answers:
Answer: 3.1
Step-by-step explanation:
The answer is 3.1 hope this helps
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Answer:2.5
Step-by-step explanation:
Answer:
214
Step-by-step explanation:
<h2>Answer:</h2>
<h2>Brainly.com</h2>
She makes 20 observations in all, because there are 5 groups with 4 students in each group. 5x4=20