A delivery person uses a service elevator to bring boxes of books up to an office. The delivery person weighs 150 lb and each box of books weighs 60 lb. Th maximum capacity of the elevator is 1640 lb.

A delivery person uses a service elevator to bring boxes of books up to an office. The delivery person weighs 150 lb and each box of books weighs 60 lb. Th

maximum capacity of the elevator is 1640 lb. How many boxes of books can the delivery person bring up at one time?

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A delivery person uses a service elevator to bring boxes of books up to an office. The delivery person weighs 150 lb and each box of books weighs 60 lb. Th maximum capacity of t…

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