Find the difference in length between a walking stick and a bumblebee

Based on what i know about mean, this doesn't add up.

Which of the following transformations will always produce a congruent figure?

Luigi is the first person to finish a 5k race and is standing 13 feet beyond the finish line. another runner, mario, is still running the race and has approximately 24 feet before he reaches the finish line. what is the distance between mario and luigi? explain through words, numbers or pictures how you found the answer.