SOLUTION: a jet made a 3600 mile trip from san francisco to washington dc in 4 hours, 52 min. on a return trip from washington dc to san francisco the flight took 8 hours 11 min. if the plan

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Question 292485: a jet made a 3600 mile trip from san francisco to washington dc in 4 hours, 52 min. on a return trip from washington dc to san francisco the flight took 8 hours 11 min. if the plan flew at the same rate going both directions how fast did the plane fly and what is the wind speed?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
r*t=d
(r+w)*4hr 52 min=3600
(r-w)*8 hr 11 min=3600
(r+w)*(4 52/60)=3600
(r-w)*(8 11/60=3600
r=589.822 almost 590
w=149.904 almost 150
check
(590+150)*(4 52/60)=3601.33
740
(590-150)*(8 11/60)=3600.66
440