Hardy Griffin
07/05/2023 · Elementary School
15 Ashan's mathematics class needs to complete six tests, each worth 100 marks. After completing the first five tests, Ashan calculated that he would need a mark of 90 in the final test in order to have a mean mark of 80 for the six tests. What was Ashan's mean mark after completing the first five tests?
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Ashan's mean mark after the first five tests is 78.
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