b) In $$ 2018,4.72 \% $$ of the UK population lived in Wales. How many people lived in Wales in 2018 ?

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To find out how many people lived in Wales in 2018, we need to know the total population of the UK in that year.

Let's denote:
- $$ P $$ as the total population of the UK in 2018.
- $$ W $$ as the population of Wales in 2018.

According to the problem, $$ W $$ can be calculated using the percentage of the population that lived in Wales:

$$
W = \frac{4.72}{100} \times P
$$

Now, we need the total population of the UK in 2018. The estimated population of the UK in 2018 was approximately 66.4 million.

Now we can calculate the population of Wales:

$$
W = \frac{4.72}{100} \times 66.4 \text{ million}
$$

Let's perform the calculation.

First, we convert the percentage to a decimal:

$$
\frac{4.72}{100} = 0.0472
$$

Now we can calculate $$ W $$:

$$
W = 0.0472 \times 66.4 \text{ million}
$$

Now, let's calculate this value.

$$
W = 0.0472 \times 66.4 = 3.13408 \text{ million}
$$

Thus, the population of Wales in 2018 was approximately $$ 3.13 $$ million people.
The population of Wales in 2018 was approximately 3.13 million people.

b) In \( 2018,4.72 \% \) of the UK population lived in Wales. How many people lived in Wales in 2018 ?

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