Hello There!
You need to find the LCM of 50 and 20:
It is 100.
50 x 2 = 100
34 x 2 = 68
That makes the score 68 out of 100 for French.
20 x 5 = 100
14 x 5 = 70
That makes the score 70 out of 100 for German.
Therefore, she scored better in German by 2 marks.
Hope This Helps You!
Good Luck :)
- Hannah ❤