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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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?

Main idea on left, details on right

-22

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

32/80

91/140

the last one 54 doesn't go into 45. 54/100 ?

step-by-step explanation:

The total would be 40.53