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29 November, 23:15

Michael wants to get an 88 average for his tests. he currently has an 86, 86, 86, 90, 89 as his test grades. what grade must michael get on the last test to have at least an 88 average

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  1. 30 November, 02:29
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    Total score for all the 6 papers if he wants an average of 88:

    88 x 6 = 528

    His total score for the 5 tests:

    86 + 86 + 86 + 90 + 89 = 437

    His last score must be at least 528 - 437 = 91.

    He must score 91 for the last test.
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