For the rest of the year, between 400,000 and 500,000 people visited grand teton national park. in the total number of visitors for the rest of the year, the digit 7 has 10 times the value that is has in total visitors for june. in the total visitors in the rest of the year, the tens digit and the thousands digit are both the same even number, and the ones digit is three times the tens digit. the only other digit is a 5, and it is the only 5 in the number. how many people visited grand teton national park for the rest of the year? explain your reasoning.