Asked by Mike
Two airplanes leave Dallas, Texas traveling in opposite directions. One is traveling 28 mph faster than the other airplane. How fast is the faster airplane traveling if the two airplanes are 2,320 miles apart after 2 hours and 30 minutes?
Answers
Answered by
Scott
f - s = 28
2.5 (f + s) = 2320
f + s = 928
adding equations to eliminate s
... 2 f = 956
2.5 (f + s) = 2320
f + s = 928
adding equations to eliminate s
... 2 f = 956
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