tmvazquez21 tmvazquez21

01-10-2019
Mathematics

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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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01-10-2019

Answer:96%

Step-by-step explanation: 4 x 90 = 360, 87 + 88 + 89 = 264, 360 - 264 = 96

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