SOLUTION: 8) Jason had to submit five animation projects as per his syllabus in the final semesters. He scored 75, 90, 77, and 88 points out of 100 in four projects. What should be his s

Question 477322: 8) Jason had to submit five animation projects as per his syllabus in the final semesters. He scored 75, 90, 77, and 88 points out of 100 in four projects. What should be his score in the fifth project so that the average of all the projects is at least 83?
Answer by Maths68(1474) (Show Source): You can put this solution on YOUR website!
Marks in four Projects = 75, 90, 77, 88
The average of all five projects = 83
Let Marks in fifth project = x
Average of all five projects = sum of the marks of all five projects / total number of projects
83 = (75+90+77+88+x)/5
83 = (330+x)/5
Multiply by 5 both sides
5*83 = 5*(330+x)/5
5*83=330+x
415=330+x
415-330=x
85=x
x=85
He must score 85 marks in fifth project to get an average of 83.

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