Agent hunt is transferring classified files from the cia mainframe into his flash drive. s represents the size of the files on the drive (in megabytes) after t seconds. s=5t+=45,how many megabytes are transferred every 10 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.