Ratios, Rates and Units: Introduction | Digital SAT® Math with Desmos

What "Ratios, Rates and Units" asks on the Digital SAT®, and the Desmos tricks that solve it. Worked by hand first, then the Desmos way, then the trap. Practise this on roadto800.com: https://roadto800.com/ch-psda-ratios-... Next: Part 1, Ratios and proportions. Road to 800: Digital SAT® Math practice. Every question worked by hand, then in Desmos. https://roadto800.com Graphs made with Desmos. Road to 800 is not affiliated with Desmos. SAT® is a trademark registered by the College Board, which is not affiliated with, and does not endorse, this video.