Two news websites open their memberships to the public. Compare the websites by calculating and interpreting the average rates of change from Day 10 to Day 20. Which website will have more members after 50 days?

Renee hiked for 6 3 /4 miles. after resting, renee hiked back along the same route for 5 1 /4 miles. how many more miles does renee need to hike to return to the place where she started? represent your answer as a simplified mixed number, if necessary.