Question
After an examination, Julian and his friends calculated their average score. They figured that if Julian could get 19 marks more, they would have an average of 90. However, if Julian's results were 7 marks less, their average would become 88. How many friends did Julian have?
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After an examination, Julian and his friends calculated their average score. They figured that if Julian could get 19 marks more, they would have an average of 90. However, if Julian's results were 7 marks less, their average would become 88. How many friends did Julian have?