Answer:
Ella ............> Maria .............> Sarah ............> Marianne .............> Julia
Explanation:
1- For the first given:
Maria finished before Sarah, but behind Ella
So, we can infer that:
Ella finished first, followed by Maria and then Sarah
Ella ............> Maria .............> Sarah
2- For the second given:
Marianne finished before Julia, but behind Sarah
So, we can infer that:
Sarah finished first, followed by Marianne and then Julia
Sarah ............> Marianne .............> Julia
3- Combining the above parts:
By combining what we got from parts 1 and 2, we can deduce that:
Ella finished first, followed by Maria, Sarah, Marianne and finally Julia
Ella ............> Maria .............> Sarah ............> Marianne .............> Julia
Hope this helps :)