Basics of the Percentage Concept

Have you ever got an email or a message about a discount price on an item, or on a special flash sale, that seems super tempting? Of course, you would like to calculate the final price you will pay, to make sure that you will not miss out on anything. In a situation like this, a strong knowledge of how percentages work can help you maximize your value for money, and the return on your investment.
Through the thousands of exercises in this book, you will be able to master the important percentage concept, and also to appreciate the many different forms in which the ratio of two quantities can be written. No real prerequisites are essential to understand this book; a working knowledge of basic arithmetic, including fractions, is definitely useful.
Whether you need to find the price of that awesome pair of jeans after applying a 30% discount, or need to calculate how much to pay after a 10% fine, or want to feel good about your weight loss journey when your fitness trainer tells you that you've lost 8% of your body fat over the course of the year, percentages are a language that you have to speak
The book starts you off slow, with the basics of percentages, and how they are calculated. If you already have all that knowledge, you can consider skipping to a later chapter for a time trial challenge - this will be a great way to sharpen your calculation chops, and compete at your level of comfort. This book is also great for test prep, whether at the undergraduate or graduate level; you will be completely prepared for a substantial portion of the all-important quant section that will get you into the biggest business schools in the world.


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