How can 65% be broken down with friendly percents to find 65% of a number

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Pls never taught i’m really confused and i rlly need