Question
The average score received by Fanny, Jane, Mary and Jen in a recent Mathematics test was 82 marks. Fanny and Jane both got 10q marks each while Mary got half of Jen's marks. How many marks did Mary score for the test? Express your answer in terms of q.
3 m

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The average score received by Fanny, Jane, Mary and Jen in a recent Mathematics test was 82 marks. Fanny and Jane both got 10q marks each while Mary got half of Jen's marks. How many marks did Mary score for the test? Express your answer in terms of q.