Food and clothing are shipped to victims of a natural disaster. Each Carton of food will feed 9 people, while each carton of clothing will help 4 people. Each 20-cubic-foot box of food weighs 50 pounds and each 5-cubic-foot of clothing weighs 25 pounds.
The constraints
the total weight per carrier cannot exceed 23,000 pounds,
The total volume must be no more the 6000 cubic feet

How many cartons of food and clothing should be sent with each plane shipment to maximize the number of people who can be helped?
The number of cartons of food is…..
The number of cartons for clothing is…..