SOLUTION: What is the speed of a plane that travels at a rate of 470 mph with a wind of r mph? A. 470/r mph B. 470 + r mph C. r - 470 mph D. 470 - r mph

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: What is the speed of a plane that travels at a rate of 470 mph with a wind of r mph? A. 470/r mph B. 470 + r mph C. r - 470 mph D. 470 - r mph      Log On


   

Question 655275: What is the speed of a plane that travels at a rate of 470 mph with a wind of r mph?
A. 470/r mph
B. 470 + r mph
C. r - 470 mph
D. 470 - r mph
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
What is the speed of a plane that travels at a rate of 470 mph with a wind of r mph?
A. 470/r mph
B. 470 + r mph
C. r - 470 mph
D. 470 - r mph
.
Since the plane is traveling "with" the wind, the wind speed will "add" to the plane's speed.
So, answer is B