A percentage can be solved by multiplying a given quantity by a percent. It should be noted, however, that the percent should first be divided by the numeral 100 before doing the multiplication.
Continue ReadingA common situation wherein knowing how to get percentages is helpful is when out shopping during a sale. For example, a sweater is originally $150 but has a 20% discount. To obtain the percentage, or the amount saved, the percent value is first divided by 100, making it 20/100, or 0.2. The answer is then multiplied by the original price: 0.2 X $150, giving an answer of $30 saved. This means the sweater is now only $120.
Learn more about Fractions & PercentagesA 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 >As of March 2015, some GED sample test questions reference percentages, although the testing agency does not specifically state that test takers must know how to calculate percentages. The GED addresses the same basic math skills that high school students learn prior to graduation, including concepts from algebra and geometry.
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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