Respuesta :
11/5 is the distance the hiker will hike in an hour and 15 minutes
1 hour and 15 minutes = 1.25 hours and amber hiked 2.75 miles in that time
2.75/ 1.25 = 2.2 miles per hour ( or 2 and 1/5)
2.75/ 1.25 = 2.2 miles per hour ( or 2 and 1/5)