This math topic focuses on comparing speeds by analyzing which entity is faster when distances are represented in different units and provided over various timeframes. The problems involve converting measurements from one unit to another, such as meters to centimeters or millimeters, to accurately determine speed. Through these exercises, students practice the skills of speed calculation and unit conversion within the context of advanced speed, distance, and time problems.
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Bacteria A moves 30cm in 7d. Bacteria B moves 0.2m in 6d. Which is faster?