Question 949369: . What is the speed of an airplane that travels at a rate of 645 mph with the wind of r mph?
Answer by addingup(3677)   (Show Source):
You can put this solution on YOUR website! The net speed of an airplane equals the ground speed minus the wind speed
In your case, if we call:
g= ground speed, in your case 645 mph, no?
r= wind speed
ns= net speed (ground speed minus wind speed)
ns= g-r; ns= 645-r
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