Answer:
There are 4 boys and 17 girls in the class.
Explanation:
Out of 21 students in Mrs. Clark's class, 5th of the students are boys and rest are girls.
out of 21 every 5th student is boy, so total boys are =
![(21)/(5)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/v8tqf2u613pjqwswuj75c2iur2lazo6p5s.png)
=
![4(1)/(5)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/kdkz7mqkpiykj0va7sh4h6vphvqg8miwc2.png)
The whole number is 4, so the number of boys are 4.
The number of girls = 21 - 4 = 17 girls
There are 4 boys and 17 girls in the class.