Answer:
3/4
Step-by-step explanation:
15/20=3/4 if you divide both sides by 5
Answer:
You can use tree diagrams to find the probability of something
Answer:

Step-by-step explanation:


AC = 18
BC = 6x
AB = 2x + 4
Write and solve:
18 + 6x + 2x + 4
18 + 8x + 4 = 180
You can solve further:
18 + 8x = 176
8x = 158
x = 19 & 3/4
Not 100% sure what the question is asking, but hopefully this helps.