Answer:
She ran
[tex]6 \frac{3}{10} km \: or \: 6.3 \: km[/tex]
Step-by-step explanation:
To find the answer you multiply the amount of races (9) by the length of each race (7/10 km).
[tex] \frac{7}{10} \times \frac{9}{1} = \frac{63}{10} \: or \: 6 \frac{3}{10} [/tex]
