Aclass contains 13 boys and 17 girls. of the girls, 25% have blond hair. what percentage of the class are blonds

14.2% of the class are blonds.

Step-by-step explanation:

We have been given that a class contains 13 boys and 17 girls. of the girls, 25% have blond hair.

First of all, we will find 25% of 17.

Now, we will find 4.25 is what percent of total students (13+17=30).

Let 4.25 be x percent of 30. We can represent this information in an equation as:

Now, let us solve for x.

Therefore, 14.2 percentage of the class are blonds.

x=12 units bd= 10 units

step-by-step explanation:

the answer is 5/3x+7/5y+7