Mathematics, 04.11.2019 23:31 hockeykid7583

Two planes start at the same time from points that are 1550 kilometers apart. how long will it take the two planes to meet if plane a flies at 220 kilometers an hour and plane b flies at 280 kilometers an hour?

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Two planes start at the same time from points that are 1550 kilometers apart. how long will it take...