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12 June, 03:40

I chemistry class Andrew has earned scores 64 69 73 on three test. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final to pass the course?

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  1. 12 June, 04:14
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    He currently has an test score sum of 206. He needs 280 to pass (the average score, 70, multiplied by four different test scores).

    280-206=74.

    He needs to get a score of 74 to pass.
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