Mathematics, 13.02.2021 04:20, hannahchilegirl6521

Sallie earned a grade of exactly 90% for a marking period based on six equally weighed tests. The four test papers she can find have grades of exactly 83%, 96%, 81 %, and 82%. What is the sum of the percent scores of the two missing grades?

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Sallie earned a grade of exactly 90% for a marking period based on six equally weighed tests. The fo...