Find each unit rate. Round to the nearest hundredth if necessary. 32. 50 miles on 2.5 gallons

33. 2,500 kilobytes in 5 minutes

34. 5 peppers for $6.45

35. 64.8 meters in 9 seconds

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.