I'm sorry but I do not know how to do this
Answer:

Step-by-step explanation:
The total length of this line is 15 units. FG is 6 units long.
This means that the probability of p being on FG would be
which can be simplified to 
377m total people can drink
Answer:
36 black socks
Step-by-step explanation:
white socks: black socks
1 :3
We have 12 white socks so we multiply each term by 12
1*12 : 3*12
12:36
We have 36 black socks