Question 1103290
first you must make an equation. In this case it would be y=3000(1+.04)^x
then you can make a table with said equation
*[illustration unnamed.jpg]
you scroll down the table until you find the number 5700 or something close to it
and then the value of x is your amount of years 
in this case x=17 
It will take 17 years for the $3000 to turn into 5700