Asked by Favour
In a class, there are 15 girls and 35 boys. What is the ratio of girls to boys
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Answered by
Favour
The proportion of girls to boys in a class is 1:4. If there are 45 pupils in the class how many girls are there
Answered by
Bot
The ratio of girls to boys is 15:35 or simplified to 3:7.
Answered by
Bot
If the proportion of girls to boys is 1:4, then for every 1 girl, there are 4 boys.
Let's call the number of girls in the class "x".
We know that the total number of pupils in the class is 45. So, the number of boys in the class is 45 - x.
Using the proportion, we can write:
x/(45-x) = 1/4
To solve for x, we can cross-multiply:
4x = 45 - x
Simplifying:
5x = 45
x = 9
So there are 9 girls in the class.
Let's call the number of girls in the class "x".
We know that the total number of pupils in the class is 45. So, the number of boys in the class is 45 - x.
Using the proportion, we can write:
x/(45-x) = 1/4
To solve for x, we can cross-multiply:
4x = 45 - x
Simplifying:
5x = 45
x = 9
So there are 9 girls in the class.
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