Question

answer the attachment.....​

Answer 1

The duration of the flight is 1 hourLet the duration of the flight be x hours.Then,600/x-600/x + (1/2)= 200 

       

600/x-1200/2x + 1= 200    

     x(2x + 1) = 3     

   2x² + x - 3 = 0     

  (2x + 3)(x - 1) = 0      

   x = 1 hr

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Answer 2

Answer:

the duration of the flight is ,@ hour

let the duration of the flight be x hours

then 600/x-600/x+(1/2)=20

600/x-1200/2x+1=200

c(2x+1)=3

2x^2+x-3=0

(2x+3)(x-1)=0

x=1 hours