Mathematics, 30.11.2020 23:20 malika61

Keith is in a hot air balloon that is 200 feet above the ground and is ascending 1 1/2 feet per second. Erica is in a hot air balloon that is 548 feet above the ground and is descending 1 2/5 feet per second. After how many seconds will the hot air balloons be the same number of feet above the ground?

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