SOLUTION: two planes leave chicago at 8am, one traveling west at a speed 75 mph faster than the other, which is headed east. at 11am, the planes are 2,175 miles apart. how fast are the pla
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Question 38344: two planes leave chicago at 8am, one traveling west at a speed 75 mph faster than the other, which is headed east. at 11am, the planes are 2,175 miles apart. how fast are the planes travelling? Answer by Paul(988) (Show Source):
You can put this solution on YOUR website! from 8am to 11am the time difference is 3 hours.
The speed of one plane is 75+x
The speed of another plane is x
Equation:
3(x+75+x)=2175
6x=2175-225
6x=1950
x=325
325+75=400
Hence, the speed of the two planes are 325mph and 400mph.
Paul.
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