SOLUTION: 16. A plane leaves an airport traveling at an average speed of 340 km/h. At what distance will a 2nd plane traveling the same route at an average speed of 610 km/h catch up with t
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Question 807277: 16. A plane leaves an airport traveling at an average speed of 340 km/h. At what distance will a 2nd plane traveling the same route at an average speed of 610 km/h catch up with the 1st plane, if it leaves 1.5 hours later?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A plane leaves an airport traveling at an average speed of 340 km/h. At what distance will a 2nd plane traveling the same route at an average speed of 610 km/h catch up with the 1st plane, if it leaves 1.5 hours later?
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Slower plane DATA:
rate = 340 km/h ; time = t hrs ; distance = 340t km
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Faster plane DATA:
rate = 610 km/h ; t-1.5 hrs ; distance = 610(t-1.5) = 610t-915 km
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Equation:
340t = 610t-915
270t = 915
t = 3.39 hrs
t-1.5 = 1.89 = 1hr 54min
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Cheers,
Stan H.
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