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OpenStudy (anonymous):
two planes with speed of 600 miles (in still air) each make a trip of 900 miles. They take off at the same time and fly in opposite direction. One has a head wind and the other a tail wind. The plane flying with a tail wind lands 20 minutes before the other plane. What is the wind velocity?
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OpenStudy (anonymous):
please..........
OpenStudy (anonymous):
have you got the question down correctly?
OpenStudy (anonymous):
help me
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