1. June collects books. Last year she had 20 books in her collection. Now she has 30 books. What is the percent increase of her collection? 2. Mallory’s bill at the Townie Deli is $15.70, not including tax. If she leaves an 18% tip and has to pay 7% sales tax, how much is the total bill?
3. A tablespoon is equivalent to about 4 teaspoons. A recipe calls for 2/3 cup of sugar for every 1/2 teaspoon vanilla. What is the unit rate in tablespoons per cup?