Ana hikes 3 7/8 miles and stops for lunch. Then she hikes 5 1/4 more miles and stops to rest. a sign where she stops says it 2 1/2 miles to the end of the trail. how long is the trail?
Why is the answer reasonable? :
Step-by-step : ​

7. d. 64

8. i. 32

9. c. 125

10. j. none of the above

11. d. 81

12. i. 216

13. e. none of the above

14. g. 240

15. e. none of the above

16. g. 32

17.   e. none of the above

10.416 m/s

step-by-step explantion:

distance=100m

time= 9.6s

average speed=100/9.6

=10.416 m/s