What is 20 percent of 15 dollars? This is a common question that many people encounter in various situations, such as calculating discounts, understanding percentages, or simply performing mental arithmetic. In this article, we will explore the concept of percentages and provide a detailed explanation of how to find 20 percent of 15 dollars.
Percentages are a way to express a number as a fraction of 100. They are often used to represent proportions, ratios, or parts of a whole. For example, if you have 20 percent of a certain amount, it means you have 20 out of 100 parts of that amount. To find a percentage of a number, you can multiply the number by the percentage as a decimal.
In the case of finding 20 percent of 15 dollars, we need to convert the percentage to a decimal first. To do this, divide the percentage by 100. So, 20 percent becomes 0.20 when expressed as a decimal.
Now, we can multiply the decimal representation of the percentage by the number we want to find the percentage of. In this case, we multiply 0.20 by 15 dollars:
0.20 × 15 = 3
Therefore, 20 percent of 15 dollars is 3 dollars. This means that if you have a discount of 20 percent on a 15-dollar item, you would only need to pay 12 dollars after the discount is applied.
Understanding how to calculate percentages is essential in everyday life, as it helps us make informed decisions, such as budgeting, shopping, and analyzing data. By learning how to find 20 percent of 15 dollars, you can now apply this knowledge to similar situations and improve your overall mathematical skills.
