A middle school is supplied with 3 bottles of germ x for every 2 students. If the middle school has exactly 856 students, how many bottles of germ x must be supplied? bottles of germs

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.