Mathematics, 14.11.2019 22:31, krlx

Marcy has a class where she has 4 tests and 1 final. the final is worth 25% and the tests combined are 75%. if she gets 57 on one of her tests and 40 on another, what does she need to get on her other 2 tests and final in order to get a 85% overall grade in the course? ?

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Marcy has a class where she has 4 tests and 1 final. the final is worth 25% and the tests combined a...