The marks scored by a student in five subjects are 80, 75, 66, 54 and 91. How much should he score in the 6th subject to make his average score 75?
please answer the question with explanation
Answers
Answered by
4
Step-by-step explanation:
Let the marks to be scored in sixth subject be x.
But the average of the marks must equal to 74.
x/6 = 14.33
=> x= 86.
Hence, the student must score 86 marks.
Answered by
0
Answer:
Step-by-step explanation:
we need to find how much the student should score in the 6th subject to reach a total of 444 marks. Marks needed in 6th subject = Total marks - Marks in 5 subjects = 444 - 358 = 86 So, the student should score 86 in the 6th subject to make his average 74.
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