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Mathematics, 09.10.2019 00:30 claudia122752

There are five tests in a grading period. a student received grades of 98, 80, and 90, 96 on the first four tests. what grade must the student earn on the last test to have a 90 or better average for the grading period?

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There are five tests in a grading period. a student received grades of 98, 80, and 90, 96 on the fir...
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