The carts need to be as wide as possible. The widest cart that will pass through the doorway between the manufacturing floor and the loading dock is 30 inches wide. The carts also should be as long as possible so they can carry the largest quantity of finished goods per trip. Arthur tells his mother she can solve the problem using similarity.

(RESPOND IT QUICKLY AND CORRECT AND I WILL GIVE YOU 100 POINTS IN ANOTHER QUESTION)