Paul, a janitor, must move a large shipment of books from the first floor to the fifth floor. The sign on the elevator reads

Question

Paul, a janitor, must move a large shipment of books from the first floor to the fifth floor. The sign on the elevator reads "maximum weight 900 pounds." If each box of books weighs 80 pounds, find the maximum number of boxes that Paul should place in the elevator if he does not ride.

Kunduz · Accepted Answer

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