Distance, Speed & Time (2)( Week 43 Evaluation) 1. In a train station, there are two tracks (A and B) going to a city. The earliest trains on both tracks leave for the city at 5:40 AM. After that the trains on track A leave for the city every 6 minutes and the trains on track B leave for the city every 13 minutes. If David arrives at the station at 9:50 AM, how many minutes will he have to wait for the next train? 2. Edward biked from his home to his high school at 5.4 miles per hour. When he returned home from school, using the same route, he biked at 4.6 miles per hour. If the total round trip took 25 minutes, what was the distance from his home to his school (in miles)? 4. The distance between place A and place B is 240 miles. Alice started to drive from place A to place B at 08:00 AM. The speed during the first half of the trip was 54 mph. The speed during the second half of the trip was 26 mph. How long (in hours) did it take Alice to get to place B from place A? 5. Edward climbed a mountain and then immediately descended on the same route. It took a total of 207 minutes. He descended the mountain 35 feet per minute faster than when climbing up. If the time taken for the descending was 69 minutes, what was the total distance (in feet) for the descending? 6. Two trains are driving toward each other. The faster one is driving at the speed of 29 meters per second. Its length is 200 meters. The slower one is driving at the speed of 11 meters per second. Its length is 240 meters. How many seconds will it take from the time they meet to the time they separate completely? 7. Joe went a round trip from his home to an airport to pick up a friend. It took a total of 8 hours including waiting 1 hour in the airport. He was able to drive 15 km/h faster to the airport than back from the airport. If the time was taken to get airport was 3 hours, what was the distance (in km) from Joe's home to the airport? 8. Richard can row 800 meters against the current (upstream) in 10 minutes and row the same distance with the current (downstream) in 8 minutes. Find the speed of the current in meters per minute? 9. Martha drives at 38 miles per hour from place A to place B. After driving for 4 hours, the rest of the trip is 16 miles less than half of the trip. If Martha drives at 20 miles per hour from then on, how many more hours will it take Martha to get to place B? 10. It took Hillary 120 minutes to get to place B from place A, and it took George 100 minutes to get to place B from place A. 8 minutes after Hillary started out from place A, George also started out from place A. How long (in minutes) would it take for George to catch up with Hillary? |