This math topic focuses on solving problems involving the relationship between speed, distance, and time using the same units. It requires calculating the duration it takes to cover a specific distance at a given speed. The questions use various units of measure, such as kilometers per hour, meters per second, meters per minute, centimeters per hour, millimeters per millisecond, and meters per day. Each problem asks students to determine the time required for different moving objects like horses, bugs, and bacteria to travel a certain distance at a specified speed.
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A bug crawls at 3m/hr and goes 15m. How many hr does it take?