Rates with fractions (Full video)

Khan Academy

Supporting grades: 7

Description: Sal solves an example problem with rates with fractions. And like always encourage you to pause the video and try to take a stab at this yourself. You know it's a three-fifths of his bathroom with one third of a bottle How do we think about this and what my brain does is I'd like to say well. How would we like to answer the question what fraction of the bottle of cleaning solution will Calvin used to clean his entire bathroom? It makes it clear that look we want to figure out we want to take our Units tell us that we want to divide the number of bottles or the fraction of a bottle it takes? We want to take how many bottles it takes to clean a certain number of bathrooms one third of a bottle take can clean?

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