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3 years ago

7

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 ___%.

1 answer:

hammer [34]3 years ago

4 0

Answer:96%

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

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