A teacher split 21 students into 3 reading groups. the same number of students was in each group .if each student in the first group read aloud for 6 minutes, how many total minutes did the students read aloud?
21 students divided by 3 groups = 7 students per group 7 students times 6 minutes each = 42 minutes per group 42 minutes per group times 3 groups = 126 minutes The answer is 126 minutes
