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Mathematics, 06.11.2020 09:20 jonloya264

John's first four test scores are 84, 84, 90 , and 91. How many points must he earn on his 5th and final test in order to have an average test score of 90?

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John's first four test scores are 84, 84, 90 , and 91. How many points must he earn on his 5th and f...
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