Question

In the multi-purpose hall of our school, we have students from 3 classes sitting. 6A has

21 students, 6B has 42 students, and 6C has 56 students. Suppose you are the teacher

and you want to arrange the students into equal sized rows, so that each row has only

students from one class and there are as few rows as possible. How many students

should be in each row?​

Answer 1

Answer:

as all the numbers of students are multiple of 7 each class will have rows with 7 students in each

6a 3 rows

6b 7 rows

6c 8 rows