<PRE><B>Question 948147</B>
RT=D rate time distance



VARIABLES
r, speed if no wind
w, speed of wind
u, time in a direction of travel
v, time in the opposite direction of travel
d, distance one way or either way for the trip
-
u=6
v=5
d=3000
-
Unknown variables for which to solve are r and w.



Related to wind__________rate___________time___________distance
AGAINST__________________r-w______________u______________d
WITH_____________________r+w______________v______________d



System of equations before refinements:
{{{system((r-w)u=d,(r+w)v=d)}}}
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