A passenger elevator in the sears tower in chicago can lift people 960 feet in 1 minute and 30 seconds. How fast must the friend elevator be traveling if it lifts cargo the same height but in 2 minutes

A passenger elevator in the sears tower in chicago can lift people 960 feet in 1 minute and 30 seconds. How fast must the friend elevator be traveling if it lifts cargo the same height but in 2 minutes and 30 seconds?

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A passenger elevator in the sears tower in chicago can lift people 960 feet in 1 minute and 30 seconds. How fast must the friend elevator be traveling if it lifts cargo the same…

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