Well, she could do 30/10 which equals 3. So she could do 10 groups with 3 students in each group.
The answer is C (^‿^✿)
All you have to do is subtract 154.50 by 65.50 and add that answer to 275.25
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Answer:
3√6
Explanation:
explanation is in the image above
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I'm not sure sry maybe you should of studied