SOLUTION: An airplane took 2 hours to fly 600 km against head wind. The return trip with the wind took 1 2/3 hours. Find the speed of the plane in still air.

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Question 188366This question is from textbook Prentice hall: Algebra 1: California edition
: An airplane took 2 hours to fly 600 km against head wind. The return trip with the wind took 1 2/3 hours. Find the speed of the plane in still air.
 This question is from textbook Prentice hall: Algebra 1: California edition

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
600/2=300 kph.
600/(5/3)=(600*3)/5=1800/5=360 kph.
(360+300)/2=660/2=330 kph is the speed of the plane in still air.