Question
The average score received by Linda, Kylie, Cathy and Yoko in a recent Social Studies test was 65 marks. Linda and Kylie both got 11y marks each while Cathy got half of Yoko's marks. How many marks did Cathy score for the test? Express your answer in terms of y.
3 m

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The average score received by Linda, Kylie, Cathy and Yoko in a recent Social Studies test was 65 marks. Linda and Kylie both got 11y marks each while Cathy got half of Yoko's marks. How many marks did Cathy score for the test? Express your answer in terms of y.