This Problem Set is a part of the Lesson 8, Unit 7, Grade 6. At the book sale, all books cost less than $5. What is the most expensive a book could be? Write an inequality to represent costs of books at the sale. Draw a number line to represent the inequality. Kiran started his homework before 7:00 p.m. and finished his homework after 8:00 p.m. Let h represent the number of hours Kiran worked on his homework. Decide if each statement it is definitely true, definitely not true, or possibly true.