Question 1084487
speed in calm air=x
wind speed=w
x+w=600
x-w=550
2x=1150
x=575 mph
t= time with tail wind
5-t= time with head wind
t(600)+(5-t)550=2900
600t+2750-550t=2900
50t=150
t=3 hours at 600 mph (1800 miles)
t=2 hours at 550 mph (1100 miles)
They add to 2900 miles.