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There are 220 people in a museum.

- [tex]\frac{2}{5}[/tex] of the 220 people are girls.
- [tex]\frac{3}{10}[/tex] of the 220 people are boys.

The rest of the 220 people are adults.

Work out the number of adults in the museum.

Answer :

To find the number of adults in the museum, we need to follow these steps:

1. Determine the number of girls: We know that [tex]\(\frac{2}{5}\)[/tex] of the 220 people in the museum are girls. To find the number of girls, we multiply:

[tex]\(\frac{2}{5} \times 220 = 88\)[/tex]

So, there are 88 girls in the museum.

2. Determine the number of boys: Similarly, [tex]\(\frac{3}{10}\)[/tex] of the 220 people are boys. To find the number of boys, we multiply:

[tex]\(\frac{3}{10} \times 220 = 66\)[/tex]

So, there are 66 boys in the museum.

3. Calculate the number of adults: Now, to find the number of adults, we subtract the sum of the number of girls and boys from the total number of people in the museum:

[tex]\(220 - (88 + 66) = 66\)[/tex]

Therefore, there are 66 adults in the museum.

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