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Mathematics, 21.07.2019 10:30 esmemaluma00

Two planes are flying in opposite directions, away from each other, one with the speed of 800 km per hour and the other with the speed of 840 km per hour. how much farther from each other are the planes getting every hour?

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Two planes are flying in opposite directions, away from each other, one with the speed of 800 km per...
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