Solving proportions 2 exercise examples | Algebra Basics | Khan Academy

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Algebra basics on Khan Academy: Topics covered in a traditional college level introductory macroeconomics course
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[@endsley17]

im a 26 year old college student and thats the first time anyone has ever explained cross multiplication! i feel really dumb right now.

[@chasecook5060]

how was college

[@Jenniespetcrocodile]

I have an assessment on solving proportions tomorrow and this was my exact problem! Explained in literally the first minute, thank you so much!

[@salvadorron7151]

Vlad?

[@danielsanchez7044]

Anyone else find it funny how he says "both"?

[@N11k6]

Remember

[@Plushy360]

How did you get 17 for the first problem?

[@jazzyramirez9213]

51 / 3 = 17

[@emmamanalo140]

U divided it