A rectangle has a fixed area of 24 cm². Complete these sentence: The length and width of the rectangle are proportional and can be written in symbols as

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.