To calculate a weighted percentage, first multiply each item by the percentage it has been allotted, and then add those values together. Weighted percentages help in situations where certain factors are more important than others.
Continue ReadingAs an example, a teacher might inform his or her students that the year's grade will be based on tests that will be worth 50 percent of the grade, quizzes that will count for 30 percent and homework assignments that will count for the remaining 20 percent of the grade. If a student had a 95 percent average on the tests, a 90 percent average on the quizzes and a 100 percent average on the homework assignments, the weighted percentage would be calculated as follows: "(95 x 0.5) + (90 x .3) + (100 x .2) = 47.5 + 27 + 20 = 94.5". The final grade for the student would be 94.5 percent .
Learn more about Fractions & PercentagesJari Jokinen's and the Math Easy Solutions percentage calculators both allow a user to find percentages by entering values into common percentage verbiage used in word problems. The Math Is Fun percentage calculator allows someone to compare two numbers percentage-wise.
Full Answer >A calculator is always helpful when determining percentages, but you can easily compute percentages without a calculator. A pencil and paper might be helpful as you do this.
Full Answer >To give a tutorial on percentages, you want to start with the idea that "percent" means "per 100." Start with a few examples such as 1 out of 100 = 1%, and 50 out of 100 = 50%.
Full Answer >No one person invented percentages. The concept developed throughout history. In Ancient Rome mathematical computation were expressed in fractions of 100. This concept later evolved into percentages.
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