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melomori [17]
2 years ago
10

Nathan boards an elevator in the lobby that is headed up at 160 meters per minute. Meanwhile, 210 meters above, Joey boards an a

djacent elevator headed down at 230 meters per minute. How long will it be before Nathan and Joey pass each other?
Mathematics
1 answer:
Vesna [10]2 years ago
8 0

Let time be t , distance be d

  • 160t=d-(1)
  • 230t=210-d-(2)

Put value in eq(2)

\\ \rm\longmapsto 230t=210-(160t)

\\ \rm\longmapsto 70t=210

\\ \rm\longmapsto t=30min

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