Art of Problem Solving: Percent Increase and Decrease Part 1

Art of Problem Solving's Richard Rusczyk introduces percentage increases and decreases. This video is part of our AoPS Prealgebra and Algebra curriculums. Take your math skills to the next level with our advanced materials: 📚 AoPS Prealgebra Textbook: https://aops.com/store/book/prealgebra?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os 🖥️ AoPS Prealgebra 1 Course: https://aops.com/school/course/prealgebra1-sp?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os 🖥️ AoPS Prealgebra 2 Course (Textbook Chapters 8-15): https://aops.com/school/course/prealgebra2-sp?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os 📚 AoPS Introduction to Algebra Textbook: https://aops.com/store/book/intro-algebra?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os 🖥️ AoPS Introduction to Algebra A Course: https://aops.com/school/course/algebra-a-sp?utm_source=youtube&utm_medium=social&utm_campaign=q1_2025_youtube_to_os 🔔 Subscribe to our channel for more engaging math videos and updates