Everyday Percentages: Discounts, Tips, Sales Tax & Interest — eBook

Everyday Percentages: A Short Illustrated Guide to Discounts, Sales Tax, Tips, Price Changes and Interest

Stop memorizing math tricks. Learn one simple idea you can use again and again.

Is 20% off followed by another 10% off really a 30% discount? How do you calculate a restaurant tip, check sales tax, or work out a percentage increase?

Everyday Percentages is a short, illustrated guide that makes percentage math easier to understand and use in everyday life.

Using familiar examples and clear, step-by-step explanations, you'll learn how to calculate percentages with a pencil, a calculator, or simple mental math.

What You'll Learn

• Calculate percentage discounts: Find sale prices and see how much you're saving.
• Understand double discounts: Learn why two discounts don't simply add together.
• Calculate sales tax and tips: Work out totals and check your calculations.
• Understand percentage increases and decreases: See how prices and rates change.
• Find the original price: Work backward from a discounted price.
• Learn simple and compound interest: Understand how the calculations work.
• Use mental math: Start with 10% to estimate and calculate common percentages.

What's Inside This 20-Page eBook?

• 10 short lessons with practical examples.
• 3 core percentage questions: Find the part, the percent, or the whole.
• 10 "Your Turn" questions to practice what you've learned.
• 17 additional practice problems that gradually become more challenging.
• Full worked answers showing how each problem is solved.
• A one-page reference card with seven useful percentage formulas and comparisons, plus a quick mental-math method based on 10%.

Two Formats Included — One Purchase

PDF: The illustrated 20-page edition, ideal for printing or reading on a computer.

EPUB: A flexible eBook format for compatible smartphones, tablets, and eReaders.

Who Is This Book For?

Adults refreshing their math skills, students learning percentages, shoppers checking discounts, and anyone who wants more confidence with everyday calculations.

Learn the method. Practice the problems. Check your answers.

Instant digital download — PDF + EPUB for $3.99.

102AI Practical Learning Series | Edition 1.0

Digital product only. No physical book. Tax and interest examples are illustrative.

Written and checked with the help of AI tools; every calculation verified independently.

Personal Use License: Licensed for your personal use. Please don't share, upload or resell the book or any part of it.