video1.0<iframe src="https://www.loom.com/embed/5227145eb5254ca9b3835e47a627599e" frameborder="0" width="1838" height="1378" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>13781838Loomhttps://www.loom.com13781838https://cdn.loom.com/sessions/thumbnails/5227145eb5254ca9b3835e47a627599e-897fc1ae49a50dbe.gif620.591In this video, I walk through a grade 3 algebra problem involving ages, where Chiara is 7 years older than Jay, and Martha is twice as old as Chiara, with their combined ages totaling 77. I set Jay's age as n, leading to the conclusion that Jay is 14, Chiara is 21, and Martha is 42, and I find the ratio of their ages. I also tackle a substitution problem using the equation v squared equals u squared plus 2af, calculating the final value of v. Additionally, I demonstrate how to isolate s in the equation. Please follow along and ensure you understand each step, as this will be crucial for your practice.