Yesterday during the exercise Dustin spent time on three exercises:
1) Bike.
Distance Covered = [tex]4 \frac{1}{2}=4.5 [/tex] miles
2) Jogging
Distance Covered = [tex]2 \frac{3}{4}=2.75 [/tex] miles
3) Swimming
Distance Covered = [tex]3 \frac{1}{8}=3.125 [/tex] miles
The Total distance covered during the exercise will be the sum of distance covered during each activity.
So,
Total Distance Covered during exercise = 4.5 + 2.75 + 3.125 = 10.375 miles
Thus, Dustin covered 10.375 miles yesterday while exercising.