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.
Answer:
Proportioal
Step-by-step explanation:
?
Answer:

or

Considering ![\theta \in (0, 2\pi]](https://tex.z-dn.net/?f=%5Ctheta%20%5Cin%20%280%2C%202%5Cpi%5D)

or

Step-by-step explanation:

We have:

Therefore,

or

---------------------------------

or

Answer:
10
Step-by-step explanation:
Based on the given conditions, formulate: \(28 \times ( 1 - 65\% )\)
Calculate the sum or difference:\(28 \times 0.35\)
Calculate the product or quotient:\(9.8\)
Find the closest integer: 10
Answer: 10