SOLUTION: How many hours and minutes does it take a person to complete a 30 mile bike climb. Average speed is between 4 and 10 mph.

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Question 635111: How many hours and minutes does it take a person to complete a 30 mile bike climb. Average speed is between 4 and 10 mph.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
r*t=d
4t=30
t=30/4=15/2=7.5 hours
10T=30
T=3
3<=t<=7.5
Time is between 3 and 7.5 hours.