It takes 6 hours for a plane to travel 720 km with a tail wind and 8 hours to make the return trip against

It takes 6 hours for a plane to travel 720 km with a tail wind and 8 hours to make the return trip against a head wind. What is the AIR SPEED of the plane?

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This Post Has 4 Comments

  1. -22

    times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3

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