Algebra - Weighted Averages

Weighted averages give people, including my friend Zack behind the camera, the heebee-jeebee's. That's because they're hard core word problems, involve charts and tables, and even call upon our sense of logic and common sense.
And yet, all those reasons make them the perfect opportunity for demystification. In this video, we dive into average speed, average time, and we even tackle the juice concentration problems! (gulp, literally). Those are the problems that involve mixing different concentrations of liquids, to reach a desired goal of a certain percentage. You'll see; it's the first problem we do.
Thank you for working hard to make math not only manageable, but connectable as well. YAY MATH!
Learning math can always be fun and connective. Please visit www.yaymath.org for:
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One day, hopefully I can get to those. Thank you so much, Steven.

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can you solve an RTD question if you only know the distance of the question and have to find both rate and time? like say if you had a distance between two cities for example could you find the time and rate?

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Why do we algebra in real life