SOLUTION: if you run 12ft per hour and your friend runs 10ft per hour but gets a 1000 feet head start how long will it take you to catch up

Question 751913: if you run 12ft per hour and your friend runs 10ft per hour but gets a 1000 feet head start how long will it take you to catch up

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Start a stop watch when you start running
Let = time in hrs for you to catch friend
Let = distance in ft you travel to catch friend
-------------------
Your equation:
(1)
Friend's equation:
(2)
--------------------
Substitute (1) into (2)
(2)
(2)
(2) hrs
You will catch up in 500 hrs
check:
(1)
(1) ft
and
(2)
(2) ft
OK
Note that = 20 days and 20 hrs

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