The grade of student for the class, rounded to the nearest whole grade will be [tex]90[/tex].
A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, [tex]"\%"[/tex].
Percentage [tex]=\frac{Obtained}{Total} \ *100[/tex]
We have,
Weightage of Area;
Homework [tex]=5\%[/tex]
Projects [tex]=25\%[/tex]
Quiz [tex]=20\%[/tex]
Exams [tex]=50\%[/tex]
And,
The student earns the following grades for this class:
Homework [tex]: 95[/tex]
Projects [tex]: 89[/tex]
Quizzes [tex]: 80[/tex]
Exams [tex]: 94[/tex]
Now,
To calculate his grade for the class;
First calculate Grade per Area
i.e.
Homework [tex]=95*\frac{5}{100}=4.75[/tex]
Projects [tex]=89*\frac{25}{100} = 22.25[/tex]
Quizzes [tex]=80*\frac{20}{100} =16[/tex]
Exams [tex]=94*\frac{50}{100}=47[/tex]
So, his total grade are [tex]= 4.75+22.25+16+47=90[/tex]
Hence, we can say that the grade of student for the class, rounded to the nearest whole grade will be [tex]90[/tex].
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