This math topic focuses on advanced calculations involving speed, distance, and time. It enhances skills in comparing travel times of various objects (like rockets, bacteria, and bugs) given different speeds and distances. The problems require converting and equating units of measurement like meters, centimeters, and millimeters across situations to determine which object takes less time to complete its journey. This set of problems serves as a practical application of the mathematical concepts of unit conversion and rate comparison.
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Bacteria A moves at 1cm/d and goes 4cm. Bacteria B moves at 0.01m/d and goes 0.03m. Which takes less time?