One-fourth of the classrooms are for kindergarten and first grade twice as many are for second and third grade. The rest are fourth and fifth grade is 4.
What is Statistics?
Statistics is the study of collection, analysis, interpretation, and presentation of data or to discipline to collect, summarise the data.
Given
A school has 20 classrooms.
One-fourth of the classrooms are for kindergarten and first grade twice as many are for second and third grade.
The rest are fourth and fifth grade.
How to classify?
One-fourth of the classrooms are for kindergarten and first grade that is 5.
The twice as many are for second and third grade is 10.
The rest are fourth and fifth grade 20 - 5 - 10 = 5.
Thus, The rest are fourth and fifth grade is 4.
More about the statistics link is given below.
https://brainly.com/question/10951564
