Answer:
안녕하세요 나쁜 소식은 내가 너무 죄송합니다 것 질문 메신저 대답 할 수 없습니다
X+x+20+2x=180
4x+20=180
4x=160
x=40
You can change the denominators so they are alike.

Not sure how there can be two possible answers unless you're mentioning the decimal form:
.775
Tell me if this helps!!
Alright so A is 6/10 * 5/9 = 1/3
B is 4/10 * 7/9 = 2/15
C is 6/10 * 4/9 = 4/15
I hope this helps
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