The total distance that Georgia walks is going to be the sum of the distances she walks on each day. On Monday, she walks 6 1/5 miles, or 6.2 miles. On Tuesday she walks 4.6 miles. On Wednesday, the trail is 10.8 miles long, but she doesn't walk 5 3/8, or 5.375 miles of it, which means on Wednesday she walks 5.425 miles. Add the distances together. 6.2+4.6+5.425=16.225 miles in total.