Multiply 2.5 by 18 to get 45, which is the answer. 45 yards of ribbon for 18 balloons
5/8 are eaten
So if you do 8/8 - 5/8 you get 3/8
88.83 / 21 = 4.23
4.23 is the same number as 423% .
8.23 is <em>423%</em> of 21.
In general, an average rate of change of a function is a process that calculates the amount of change in one item divided by the corresponding amount of change in another. Using function notation, we can define the average rate of change of a function f from a to b as
1. The average rate of change in the number of living wage jobs from 1997 to 1999 is
2. The average rate of change in the number of living wage jobs from 1999 to 2001 is