The correct answers are:
1) 1/2
2) 1/10
3) 3/4
Explanation:

50% means 0.5. This 0.5 was (multiplied before by 100) to get this percentage.
What does the numbers mean?
- 0.5 means 1/2 of the total value
- 0.1 means 1/10 of the total value
- 0.75 means 3/4 of the total value.
Therefore, the answer is true