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How to make lots of money, keep yourself safe, and even save the world-all by using a little simple mathForget the dull, boring math you learned in school. This book shows you the powerful things math can do for you, with applications no teacher ever taught you in algebra class. How can you make money off credit card companies? Will driving a hybrid save you money in the long run? How do you know when he or she is ""the one""?From financial decisions to your education, job, health, and love life, you'll learn how the math you already know can help you get a lot more out of life. Gives you fun, practical advice for using math to improve virtually every area of daily lifeIncludes straightforward explanations and easy-to-follow examplesWritten by the author of the successful guide, How Math Explains the WorldFilled with practical, indispensable guidance you can put to work every day, this book will safeguard your wallet and enrich every aspect of your life.