Each paper clip is 7\8 of an inch long and costs $0.03. exactly enough paper clips are laid end to end to have a total length of 56 inches. what is the total cost of these paper clips?

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.