Final answer:
When converting 105 seconds to minutes, the unit in the denominator (omit the number) would be minutes.
Step-by-step explanation:
When converting 105 seconds to minutes, we need to use a ratio. Since there are 60 seconds in 1 minute, the ratio would be 1 minute to 60 seconds. So, the unit in the denominator (omit the number) would be minutes.
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