The total distance in miles that she traveled duribg this time is 17.21miles
Speed is defined as the rate of change of distance. Mathematically speed is expressed as:
Speed = Distance/Time
For the second trip
Speed = 55mph
Time = 3.5hours
Distance = 55/3.5
Distance = 15.71 miles
Total distance travelled = 1.5 miles + 15.71miles
Total distance travelled = 17.21miles
Hence the total distance in miles that she traveled duribg this time is 17.21miles
Learn more on distance here: https://brainly.com/question/17273444