Mathematics, 13.12.2021 21:30 xaviuzc

Two elevators open their doors at the same time. Kathleen boards the first one, which is going up at 800 feet per minute. The person next to her, Dominic, boards the second one, which is going down at 840 feet per minute. In how long will Kathleen and Dominic be 1,300 feet apart? If necessary, round your answer to the nearest second.
minutes and
seconds

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