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The question, as stated, cannot be answered sensibly. A kilometre is a measure of distance, with dimensions [L]. An hour is a measure of time, with dimensions [T]. The two measure different things and basic dimensional analysis teaches that you cannot convert between measures with different dimensions such as these without additional information.

As a simple mental exercise, consider how long it would take you to walk 12 km compared with the time it would take you to drive that distance.

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13y ago
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Q: How many hours are there in 12 km?
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