We could say "question mark bottles bottles per bathroom" and the Reason why this is helpful 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 To clean the number of bathrooms or certain fraction of the bathrooms.
It's a little daunting because it has fractions, but then when we work through it step-by-step Hopefully, it'll feel a little bit more intuitive so it says Calvin cleans three-fifths of his bathroom with one third of a bottle of cleaning solution at this rate What fraction of the bottle of cleaning Solution will Calvin used to clean his entire bathroom? And like always encourage you to pause the video and try to take a stab at this yourself So as mentioned it's a little bit You know it's a three-fifths of his bathroom with one third of a bottle How do we 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? So we want to figure out is we want to figure out how many bottles so? bottles bottles Per let me write it this way So we want to figure out he uses a certain number up with that question mark bottles bottles per Bathroom if we knew this then we have the answer to the question if this would this might be I don't know Bottles two-fifths of a bottle per bathroom it might be two Bottles per bathroom, but if we know whatever this question mark is then we know the answer How many bottles does he need to take to clean a bathroom or what fraction of a bottle? We don't know, they're hinting that it's a fraction of a bottle but how much of a bottle or how many bottles per bathroom? Or another way to think about this if we want to know if We wanted to express it as a as a rate more mathematically.
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