Acommercial airplane flying with a speed of 700 mi/h is detected 1000  miles away with a radar. half an hour later an interceptor plane flying  with a speed of 800 mi/h is dispatched. how long will it take the  interceptor plane to meet with the other plane?

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.