Page 3. An order may include small boxes, medium boxes, and large boxes. Each small box weights one pound and costs $2. Each medium box weighs three pounds and costs $8. Finally each large box weighs four pounds and costs $11. A particular order weights 16 pounds and costs $41. It is a fact that the matrix: 1 3 4 16 2 8 11 41 row reduces to Keeping in mind that there must be a whole number of boxes, and that there cannot be a negative number of boxes, what are the possible numbers of small, medium, and large boxes in the order? JAN