Answer:
I think interest earned ❤️
100°+(4y+25)+(3y+20)=180°
100+4y+25+3y+20=180
7y+145=180
7y=35
y=5
100°; 45°; 35°
b
Step-by-step explanation:
2×5=10 very simple becausevthe equation is e Wii als 0
facilla es m dae bi enc