SOLUTION: Two joggers start at the same point and travel in opposite directions. One travels 1 mph faster than the other. In 3 hrs. they are 21 miles apart. Find out how fast each is travel

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Question 840189: Two joggers start at the same point and travel in opposite directions. One travels 1 mph faster than the other. In 3 hrs. they are 21 miles apart. Find out how fast each is traveling.
I need help setting this up into two equation i tired it and got 1.16mph for the faster jogger and .16 mph for the slower one. im not sure if im right so please help.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Two joggers start at the same point and travel in opposite directions.
One travels 1 mph faster than the other.
In 3 hrs. they are 21 miles apart.
Find out how fast each is traveling.
:
let s = speed of one jogger
then
(s+1) = speed of the other jogger
:
3s + 3(s+1) = 21
find s