Distance, Speed & Time( Week 12 Practice) 1. Richard took a 15-mile biking trip in 1.5 hours. What was his average speed in feet per minute? Note that 1 mile = 5280 feet. 2. Nick rode his bike to a baseball practice at 18 mph. On his way home, he only pedaled at 12 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 85 MPH. The officer is 0.5 mile behind the speeding car and he travels at 89 MPH. How many minutes will it take for the officer to catch up the speeding car? 4. Martha 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. Helen and Emily compete in a 8.4-mile bicycle trail. Helen bikes at 10.5 MPH, and Emily bikes at 9.25 MPH. How far (in miles) is Emily behind Helen when Helen reaches the finish line? |