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Mathematics, 07.05.2021 14:50 afloareiandrei8615
Flying against the wind, a plane traveled 3,960 kilometers in 6 hours. With no change in the wind speed or direction and with the same engine speed, the return trip took 5.5 hours.
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Flying against the wind, a plane traveled 3,960 kilometers in 6 hours. With no change in the wind sp...
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