Answer:
The answer to your question is 35x - 35y + 21
Explanation:
Data
Simplify 0.5(20x - 50y + 36) - 0.25(-100x + 40y - 12)
Expand
10x - 25y + 18 + 25x - 10y + 3
Group like terms
(10x + 25x) + (-25y - 10y) + (18 + 3)
Result
35x - 35y + 21
The answer is the last choice