Answer: Fiona count 8 markers.
Step-by-step explanation:
It is given that Fiona starts at the beginning of a hiking trail walks 4/5 mile she counts the mileage markers that are placed every 1/10 mile along the trail.
Let Fiona count x markers.
If markers are placed every
mile, So, after counting x markers Fiona will cover
miles.
It is given that Fiona covers
miles.




Therefore, the number of markers counted by Fiona is 8.