SOLUTION: A plane took 1 hour longer to travel 560 miles on the first portion of a flight than ir took to fly 480 miles on the second portion. If the speed was the same for each portion, wha

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations  -> Lessons  -> Linear Equations Lesson -> SOLUTION: A plane took 1 hour longer to travel 560 miles on the first portion of a flight than ir took to fly 480 miles on the second portion. If the speed was the same for each portion, wha      Log On

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Question 117398: A plane took 1 hour longer to travel 560 miles on the first portion of a flight than ir took to fly 480 miles on the second portion. If the speed was the same for each portion, what was the flying tine for the second part of the trip?
Answer by josmiceli(6786) About Me  (Show Source):
You can put this solution on YOUR website!
If thrs is the traveling time for the 2nd portion,
t+%2B+1hrs is the time for the 1st portion
r+=+d%2Ft
r%5B1%5D+=+r%5B2%5D
560%2F%28t%2B1%29+=+480%2Ft
560t+=+480%28t%2B1%29
560t+=+480t+%2B+480
80t+=+480
t+=+6hrs answer
check answer
560%2F%28t%2B1%29+=+480%2Ft
560%2F7+=+480%2F6
80+=+80
OK