Answer:
not paying 20% means that she DID pay %80
Step-by-step explanation:
20
Answer 17/18 , 19,20
31 divided by 50 is 0.62
x: numbers of hot chocolate selling
y: numbers of apple cide selling
1x + 2y ≥ 240
2y ≥ 240 - x
y ≥ 120 - 0.5*x