Write 57.6% as a fraction in simplest form?

Ineed to learn how to solve this problem

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?