The answer for # 1) B 1/3
is #2 not the same quesztion tho ?
The probability 1÷3+1÷3+1÷3=1÷9
21/2 is what you should get if you divide those two
Answer:
The American population was 20% of the British population.
Step-by-step explanation:
Let us call
the american population,
the British population before the migration, and
the population that migrated from America to Britannia.
Now, the population
that migrated was 20% of the american population:
,
and the same population
increase the British population by 4%:

Combining equation (1) and (2) we get:



Thus, the American population was 20% of the British population.
Not sure if that’s right but I hope that helps