Question

there are three kinds of boxes. The first kind costs $5 each, the second, $11 each, the third, $5
each; the first weighs 1 lb. each, the second, 2 lb. each, the third, 2 lb. each. The first has a
volume of 3 cubic feet, the second, 3 cubic feet, the third, 2 cubic feet.
If the total cost of the boxes is $42, the total weight of the boxes is 9 pounds, and the total
volume of the boxes is 35 cubic feet, how many of each of the three kinds of boxes are there?

Answer 1