SOLUTION: What is the speed of a plane that travels at a rate of 590 mph agaisnt a wind of r mph?
A) 590-r mph
B) 590/r mph
C) r-590 mph
D) 590+r mph
Algebra.Com
Question 1004270: What is the speed of a plane that travels at a rate of 590 mph agaisnt a wind of r mph?
A) 590-r mph
B) 590/r mph
C) r-590 mph
D) 590+r mph
Found 2 solutions by Alan3354, Theo:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
What is the speed of a plane that travels at a rate of 590 mph agaisnt a wind of r mph?
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The airspeed of the plane is 590 mi/hr.
The groundspeed is 590-r mi/hr.
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
for every hour that the plan flies, it is traveling 590 miles.
for that same hour, the wind is traveling in the opposite direction for r miles.
that means that the wind is pushing the plane back r miles for every 590 miles is is going forward.
the net progress of the plane is therefore 590 - r miles per hour.
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