May someone help me with this. The question is in the picture.

Answer:
34
Step-by-step explanation:
1. 680×5% where what I do, 680×0.05 because it's easier for me. Whatever way you do, you get the same thing.
2.You got the answer! 680×0.05=34
(I'M NOT GOOD AT EXPLAINING THINGS SO DON'T SUE ME IF YOU DIDN'T GET IT :] )