Distance, Speed & Time( Week 12 Evaluation) 1. Jay took a 25.5-mile biking trip in 1.5 hours. What was his average speed in feet per minute? Note that 1 mile = 5280 feet. 2. Ed rode his bike to a baseball practice at 15 mph. On his way home, he only pedaled at 10 mph. What was his average speed (in mph) for the entire trip? 3. A police officer is chasing a speeding driver who is driving at 70 MPH. The officer is 1.5 miles behind the speeding car and he travels at 73 MPH. How many minutes will it take for the officer to catch up the speeding car? 4. Hillary and her father rode a tandem bicycle in a trail. In the first half of the distance, she pedaled, her dad rest, and the tandem bicycle traveled at 7 MPH. In the second half of the distance, she rest, her dad pedaled, and the tandem bicycle traveled at 13 MPH. How much was the average speed (in MPH) for the entire distance? 5. Susan and Mary compete in a 5-mile bicycle trail. Susan bikes at 12.5 MPH, and Mary bikes at 11.5 MPH. How far (in miles) is Mary behind Susan when Susan reaches the finish line? 6. Ed runs 2 meters every second. Susan runs 1.5 meters every second. Ed let Susan start a race 45 meters ahead of him, and reached the finish line 4 seconds before Susan did. How many meters did Ed run in the race? 7. Two cars started from the same place at the same time, but they headed in opposite directions. The faster car traveled 15 miles per hour faster than the slower car. At the end of 7 hours, they were 595 miles apart. How many miles had the faster car traveled by the end of 7 hours? 8. In an one-mile running race, Hillary was able to run at 8 MPH for the 1st half, but was only able to run at 2 MPH for the remaining half. What was her average speed (in MPH) for the entire race? |