Video 1 of 4 on §3.5 Ratio Analysis, taught by a real AI presenter (clean HD render). The board builds in time with her voice — each formula, then the worked example from the book. Ends with auto-graded practice. Use ⚡ speed, 🔊 mute, 🎯 focus, ⛶ fullscreen.
Segment 1 · pg 205 ✨ Beyond the book
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🎙 Annelore speaking
🎬 Real render
Annelore
Playback speed
loading the lesson…
👋 Before we begin
Hi! I'm Annelore, your tutor. What should I call you?
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🎬 Recap · a 30-second summary plays at the end.
🔊 Turn sound on. One clean HD render; the board reveals in sync with her voice. Tap a chapter under the bar to jump. Raise your hand any time — type or 🎤 speak your question.
✍️ Practice — work out the ratio
Type the number only (no % sign). Both are straight from the formulas on the board.