There are 840 students. 65 over 100 = 546 over n (proportion)
10 percent of 60 students is 6 students.
72 is 80 percent of 90.
12.4%
easy 58 because 30+12=42 100-42=58
10 percent of students go out instead of use electronic devices
13 students = 1300 %
A decrease of 3.6 students to 20.4 students.
22% of 80 students is 17.6 students.
49 divided by 70% is 70. 49 is 70 percent of 70 students.
89 percent
no the higher the content the higher the number ..breath or blood
There are 8 boys and 12 girls and 8 students with glasses.