Question

In a class of 49 students, the ratio of girls to boys is 4:3.if 4 girls leave the class, the ratio of girls to boys would be how much?

Answer 1

Ans:- 8:7
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Answer 2

The ratio of girls to boys is 8 : 7.

Step-by-step explanation:

Given : In a class of 49 students, the ratio of girls to boys is 4:3. if 4 girls leave the class.

To find : The ratio of girls to boys would be how much?

Solution :

Let the ratio be x.

The total number of student = 49

The number of girls = 4x

The number of boys = 3x

So, $4x+3x=49$

$7x=49$

$x=\frac{49}{7}$

$x=7$

The number of girls = 4(7)=28

The number of boys = 3(7)=21

If 4 girls leave the class.

The number of girls left = 28-4=24.

The ratio of girls to boys is 24 : 21 or 8 : 7.

#Learn more

In a class of 49 students no. of girls are 2/5 of the boys . Find the no. of boys in the class ?

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