Use the given conditions to write a system of equations. solve the system and find the numbers. the sum of two numbers is 9. if one number is subtracted from the other, the result is 3. find the numbers.
list the two numbers.

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.