Question
The average score received by Tammy, Hazel, Zara and Gillian in a recent Social Studies test was 79 marks. Tammy and Hazel both got 8i marks each while Zara got half of Gillian's marks. How many marks did Zara score for the test? Express your answer in terms of i.
3 m

Click button first when a symbol is required. X

The average score received by Tammy, Hazel, Zara and Gillian in a recent Social Studies test was 79 marks. Tammy and Hazel both got 8i marks each while Zara got half of Gillian's marks. How many marks did Zara score for the test? Express your answer in terms of i.