The minimum and maximum numbers of hours will be 3.5 hours and 2.5 hours.
From the information, there is a constant speed of 10 miles per hour and one plan to bike 30 miles.
The maximum mile will be:
= 30 + 5 = 35 miles
The time will be:
= 35/10 = 3.5 hours.
The minimum mile will be:
= 30 - 5
= 25
The time will be:
= 25/10
= 2.5 hours.
Therefore, the minimum and maximum numbers of hours you bike will be 3.5 hours and 2.5 hours.
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