SOLUTION: when a plane flies into the wind it can travel 3000 km in 6 hours. when it flies with the wind, it goes the same distance in 5 hours. find the rate of the plane in still air.

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Question 696370:
when a plane flies into the wind it can travel 3000 km in 6 hours. when it flies with the wind, it goes the same distance in 5 hours. find the rate of the plane in still air.

Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
3000=(R)6 RATE AGAINST THE WIND.
R=3000/6
R=500 KPH.
3000=(R)5 RATE WITH THE WIND.
R=3000/5
R=600 KPH.
(600-500)/2
100/2=50 KPH. IS THE SPEED OF THE WIND.
500-50=450 ANS. FOR THE SPPD OF THE PLANE IN STILL AIR
400+50=450 DITTO.
PROOF:
3000=500*6
3000=3000
3000=600*5
3000=3000