Question
The average score received by Zara, Nora, Cindy and Gem in a recent History test was 97 marks. Zara and Nora both got 11b marks each while Cindy got half of Gem's marks. How many marks did Cindy score for the test? Express your answer in terms of b.
3 m

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The average score received by Zara, Nora, Cindy and Gem in a recent History test was 97 marks. Zara and Nora both got 11b marks each while Cindy got half of Gem's marks. How many marks did Cindy score for the test? Express your answer in terms of b.