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In this video, we solve a classic ratio and proportion problem: n is to 70 as 2/5 is to 7/8 — find the value of n. Many students get stuck on problems like this because they’re unsure how to translate the words into a mathematical setup. Once you understand how proportions work, the solution becomes straightforward and reliable — especially on tests. We walk through the problem step by step, explain how to set it up correctly, and show how to avoid the most common mistakes. This skill appears frequently in middle school math, Algebra 1, and on exams like the SAT, ACT, GED, HiSET, ASVAB, ACCUPLACER, and teacher certification tests. Try solving it before watching the solution! ________________________________________ ⭐ What You’ll Learn • How to translate worded ratios into proportions • How to set up proportions correctly • How to solve for a variable in a ratio • Common mistakes students make • A test-friendly strategy you can reuse ________________________________________ ⭐ Who This Video Is For • Middle & high school students • Algebra students • College placement & entrance exam takers • GED, HiSET, ASVAB, ACCUPLACER prep • Teacher certification exam candidates • Adults relearning math fundamentals ________________________________________ ⭐ Learn Math the Right Way with TabletClass Math Clear, step-by-step instruction from a certified math teacher with decades of experience, trusted by students and adult learners worldwide: 👉 https://TCMathAcademy.com Popular Math Courses: Math Foundations https://tabletclass-academy.teachable.com/p/foundations-math-course Math Skills Rebuilder Course: https://tabletclass-academy.teachable.com/p/math-skills-rebuilder-course Pre-Algebra https://tabletclass-academy.teachable.com/p/tabletclass-math-pre-algebra1 Algebra https://tabletclass-academy.teachable.com/p/tabletclass-math-algebra1 Geometry https://tabletclass-academy.teachable.com/p/tabletclass-math-geometry1 Algebra 2 https://tabletclass-academy.teachable.com/p/tabletclass-math-algebra-21 Pre-Calculus https://tabletclass-academy.teachable.com/p/tabletclass-math-pre-calculus Math Notes: https://tcmathshop.com/ If you’re looking for a math course for any of the following, check out my full Course Catalog at: https://TCMathAcademy.com/courses/ • MIDDLE & HIGH SCHOOL MATH • HOMESCHOOL MATH • COLLEGE MATH • TEST PREP MATH • TEACHER CERTIFICATION TEST MATH
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