This math topic focuses on unit conversion related to rates and speeds, using one ratio for conversions primarily between feet, yards, and seconds. It includes solving word problems by converting measurements from one unit to another based on given ratios. The problems require converting time it takes to cover a certain distance, and speed in different length units, enhancing understanding of ratio-based unit conversions in applied settings. Each problem is followed by multiple-choice answers with visual supports showing the mathematical expressions.
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Convert this rate from seconds per yard to seconds per foot. There are 3 ft in every yrd
An ant takes 5/5 seconds to crawl a yard. How long, in seconds, does it take to crawl a foot?