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Two groups of tourists are on the same floor of a skyscraper they are visiting, and they board adjacent elevators at the same time. The first group is headed up at a speed of 140 meters per minute. The
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Jan 14, 2023
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Two groups of tourists are on the same floor of a skyscraper they are visiting, and they board adjacent elevators at the same time. The first group is headed up at a speed of 140 meters per minute. The second is headed down at a speed of 290 meters per minute. How long will it be before the elevators are 360 meters apart?
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Soufiane ROCHDI
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Soufiane ROCHDI
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Let time be t , distance be d
140t=d-(1)
290t=360-d-(2)
Put value in eq(2)
Saud Qureshi
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Jan 20, 2023
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Saud Qureshi
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