SOLUTION: Running at the average rate of 400 m/minute, Pam dashed to the end of the race course. She then walked back to her starting position at an average rate of 80 m/minute. How long w

Question 562303: Running at the average rate of 400 m/minute, Pam dashed to the end of the race course. She then walked back to her starting position at an average rate of 80 m/minute. How long was the course if it took her 6 minutes total to make the dash and the walk back. I cannot figure out the formula
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number of minutes for the run
= number of minutes for the walk
Let = length of course in meters
--------------
Equation for run:

Equation for walk:

-----------------
By substitution:

min

min
---------------

check:

The length of the course was 400 m
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