To find the unit rate of minutes per mile, you can divide the total time in minutes by the total distance in miles.
Oscar runs a total of 84 minutes over 7 miles.
The formula is:
\[ \text{Unit rate (minutes per mile)} = \frac{\text{Total minutes}}{\text{Total miles}} \]
Plugging in the values:
\[ \text{Unit rate} = \frac{84 \text{ minutes}}{7 \text{ miles}} = 12 \text{ minutes per mile} \]
So, the unit rate is 12 minutes per mile.
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