Aclass of 25 students includes 12 boys. does the ratio of girls to students represent a fraction? does the ratio of boys to girls represent a fraction? how do you know?

Number of Girls:Number of Students = 13:25

Number of Boys:Number of Girls = 12:13

Step-by-step explanation:

We are given the following information in the question:

Total number of students in class = 25

Number of boys in the class = 12

Number of girls in the class =

Now, we have to find ratio of number of girls to number of students:

Number of Girls:Number of Students = 13:25 =

There are 13 girls to every 25 students.

We have to find ratio of number of boys to number of girls:

Number of Boys:Number of Girls = 12:13 =

There are 12 boys to every 13 girls.

Yes, these ratios are fraction because ratio help us compare two things.

Ratio of boys to girls represent a fraction

Number of students = 25

Number of boys = 12

Number of girls = Number of students - Number of boys

Number of girls = 25  -  12

Number of girls = 13

Ratio of boys to girls = (Number of boys) / (Number of girls)

Ratio of boys to girls = 12/13

12/13 represents a fraction. Therefore, ratio of boys to girls represents a fraction

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your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to