please help me with this word problem

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A pilot is testing a new experimental craft. The cruising speed is classified information .in a test the jet traveled 12,000 miles . The pilot revealed that if he had increased his speed 600 mph , the total trip would have taken 1hour less .determine the cruising speed of the jet

Jul 4th, 2015

Thank you for the opportunity to help you with your question! the solution is as such:

let the initial speed be x miles per hour.

total distance = 12000 miles.

so time t1= 12000/ x hours


now.

new speed = (x+600) miles / hr

total distance = 12000 miles.

so time t2= 12000/ (x+600) hours

we know 

t2 -t1 = 1hr

so.

 [12000/ x]  - 12000/ (x+600) = 1

on solving for x we get x= 2400 miles er hour

so the cruising speed was 2400 miles per hour.


Please let me know if you need any clarification. I'm always happy to answer your questions.awaiting a positive feedback. It was lovely helping you. Looking forward to help you again. A positive feedback awaited thank you.
Jul 4th, 2015

for any help on other questions at cheap rates , please feel free to ask. would love to help you. thank you.

Jul 4th, 2015

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Jul 4th, 2015
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