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 =
=
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.