x + 42° + 58° = 180°
x + 100° = 180°
x = 180° - 100°
x = 80°
Answer:
13.65
Step-by-step explanation:
The answer is b
12
x: numbers of hot chocolate selling
y: numbers of apple cide selling
1x + 2y ≥ 240
2y ≥ 240 - x
y ≥ 120 - 0.5*x