SOLUTION: a passenger plane flew to istanbul and back. on the trip there it flew 280 km/h and on the return trip it went 168 km/h. how long did the trip there take if the return trip took te

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Question 553463: a passenger plane flew to istanbul and back. on the trip there it flew 280 km/h and on the return trip it went 168 km/h. how long did the trip there take if the return trip took ten hours?
Found 2 solutions by richwmiller, Alan3354:
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
r*t=d
168*10=d
1680=d
r*t=d
280*t=1680
t=1680/280
t=6 hrs to get there

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
a passenger plane flew to istanbul and back. on the trip there it flew 280 km/h and on the return trip it went 168 km/h. how long did the trip there take if the return trip took ten hours?
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d = r*t = 168*10
d = 1680 km
------
t = d/r = 1680/280
t = 6 hours going