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. At what time does the second bus catch up with the first bus?

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.