4: 2 cups of sugar is used to make enough lemonade for 6 people. How much sugar is needed to make enough lemonade for 18 people? Question #6: 12 cans of soup cost $20. What is the cost for 30 cans? *

Question #7: It takes 30 minutes for an author to type 4,500 words. How many words can she type in 3 hours?

Question #8: A concession stand made $45 from the sale of 15 cheeseburgers. If 100 cheeseburgers are sold, how much do they make? *