GRE Quant Ep 13: Ratios and Percentages

Ratios and percentages show up all the time on the GRE. Some common examples include ratio word problems, percent change, and interest questions -- to name just a few. A successful approach to these problems includes reading carefully, defining variables, and and methodically translating the information into algebraic expressions. In this video, Dana -- a GMAT Ninja tutor -- will lead you through this approach. She'll show you how to tackle GRE ratio and percentage problems efficiently and effectively, making the most of your algebra skills. For updates on upcoming videos, please subscribe! Want more GRE test-prep tips and advice? Subscribe to our YouTube channel: https://www.youtube.com/@GRENinjaTutoring For more information about GRE tutoring: https://www.gmatninja.com/ For updates on this series and our other projects: https://www.instagram.com/gmatninja/ For more on Dana Stepleton and what it's like to be tutored by a former Army captain: https://www.gmatninja.com/dana-stepleton Chapters: 00:00 Introduction 02:05 Question 1 - Ratios Word Problem 08:43 Question 2 - 3-Way Ratio 15:49 Question 3 - Percent Change 1 24:05 Question 4 - Discounts 31:56 Question 5 - Percent Change 2 40:12 Question 6 - Percent Change 3 44:33 Question 7 - Simple Interest 51:15 Question 8 - Proportions 1:00:00 Question 9 - Fractions and Percents