# In the first 4 papers each of hundred marks Ravi got 90, 75, 73, 85 marks.If he wants an average of greater than or equal to 75 marks and less than80 marks, find the range of marks she should score in the fifth paper.

Let the marks obtained by him in 5th paper =x
Average of marks =$\frac{90+75+73+85+x}{5}$
Given that
he wants an average of greater than or equal to 75 marks and less than80 marks.
SO,

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