1,8 is the mid point of these two numbers
The probability would be out of 100,
in this case if it refers to the data from 2009 it would be 39:61
it depends what the number is
-10-f=-6f+10
-f+6f=10+10
5f=20
F=4
45 cookies will serve 15 students.
You would multiply 15 by 2 that would give you 30, therefore you multiply 45 by 2 which will be 90.
90 cookies will serve 30 students
