A cargo elevator has a maximum carrying capacity of 400 pounds. A 150-pound person rides in the elevator with the cargo boxes. What is the maximum number of cargo boxes that the person can take with them on the elevator?
400-150=250
250 divided by the weight of the cargo boxes in pounds - round DOWN to the lower whole number.
That will be your answer.
You'll have to know how much each cargo box weighs.
The heavier the cargo boxes, the fewer you can carry with you.