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Mathematics, 01.10.2019 06:30 xxxamslashxxx9

On the last three chemistryexams a student scored 87, 88, and 89. what score must the student earn on the next exam to have an average of at least 90?

the student must score at least %.

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On the last three chemistryexams a student scored 87, 88, and 89. what score must the student earn o...

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