Question

There are 20 children in a class 45% are girls, How many girls and boys are there?

Answer 1

Answer:

Step-by-step explanation:

each person represents 5%. so 45% are girls. 45/5 is 9, so 9 are girls. 20 minus 9 is 11 so 9 girls and 11 boys

Answer 2

The number of girls is 9 and the number of boys is 11.

Important information:

• Total number of students = 20
• 45% of total students are girls.

Percentage:

Using the given information, the number of girls is:

$20\times \frac{45}{100}=9$

Now, subtract the number of girls from the total number of students.

$20-9=11$

Therefore, the number of girls is 9 and the number of boys is 11.

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