You work in the mayor’s office and you are providing the mayor with a list of talking points for a speech. In your town, 13 of the residents live in rented dwellings. Of those who live in rented dwellings, 12 are in families with school-age children. On your list of talking points, what fraction of the residents should you list as living both in rented dwellings and in families with school-age children?A customer buys a bag of dog food that costs $12.79 and pays the sales tax of $0.64. How much change is due back from a $20 bill?