A teacher tells the class that the highest marks obtained by a student in a class is thrice the lowest marks -7 the highest mark is 89 write it in the equation and find the lowest mark
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After you've finished taking a test, and your teacher hands back your test with a grade you're certain is going to take you from a C to a B on your final score, you probably feel elated. When you get your report card back, however, and discover that your grade is in fact still a C, you may have a weighted score or weighted grade in play. So, what is a weighted score? Let's find out!
A weighted score or weighted grade is merely the average of a set of grades, where each set carries a different amount of importance.
Suppose at the beginning of the year, the teacher hands you the syllabus. On it, he or she explains that your final grade will be determined in this manner:
Percentage of your Grade By Category
Homework: 10%
Quizzes: 20%
Essays: 20%
Midterm: 25%
Final: 25%
Your essays and quizzes are weighted more heavily than your homework, and both your midterm and final exam count for the same percentage of your grade as all of your homework, quizzes and essays combined, so each one of those tests carries more weight than the other items. Your teacher believes that those tests are the most important part of your grade! Hence, if you ace your homework, essays and quizzes, but bomb the big tests, your final score will still end up in the gutter.
Let's do the math to figure out how the grading works with a weighted score system.
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