This math topic focuses on practicing unit conversions specifically using a single ratio method, applied to real-world scenarios involving time and distance. Example problems involve converting the speed or time taken by insects (ants and beetles) crawling over distances measured in feet and yards. The questions provide practice on setting up the correct unit conversion expressions to derive answers in either seconds or yards per second, enhancing understanding of dimensional analysis and proportional reasoning within the context of introductory unit conversion.
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Select the correct way to set up this unit conversion problem
An ant takes 4 seconds to crawl a yard. How long, in seconds, does it take to crawl a foot?