Question 880674
r = speed of New Orleans plane.
r+50 = speed of Chicago plane.
Basic Rule, Uniform Rates of Travel:  RT=D, rate, time, distance.


_______________speed_________time_________distance
N.O.___________r______________1/2_________r(1/2)
Chicg._________r+50___________1/2________(r+50)/2
Separation________________________________275


Resulting Equation:  {{{highlight(r/2+(r+50)/2=275)}}};
Solve for r.