[tex]\text{First, lets find how many miles she can run in 1 minute}\\\\\text{To find this, divide 85 by 10}\\\\85\div10=8.5\\\\\text{Now multiply 8.5 by 8 to see how many minutes she would take:}\\\\8.5 \cdot8 = 68\\\\\text{This means that it'll take her 68 minutes to run 8 miles}\\\\\boxed{68\,\text{minutes}}[/tex]
