Two buses are traveling to a state park. one bus leaves the terminal at 4: 00 p. m. and travels at 40 miles per hour. the second bus leaves the terminal at 5: 00 p. m. and travels at 60 miles per hour. how much time passes until the second bus catches up with the first bus? assessment timer and count assessment items two buses are traveling to a state park. one bus leaves the terminal at 4: 00 p. m. and travels at 40 miles per hour. the second bus leaves the terminal at 5: 00 p. m. and travels at 60 miles per hour. how much time passes until the second bus catches up with the first bus?