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2.1 and 2.2 Review Homework Pg 48: 12, 13, 18, 21, 25, 32, 46 Pg 54: 7, 10, 15, 17, 18, 19, 21, 22 Directions: Write the rational number as a decimal. 12. 1 11 13. 7 9 18. 8 15 22 Directions: Write the decimal as a fraction or a mixed number in simplest form. 21. 0.45 25. -1.64 Directions: Order the numbers from least to greatest. 7 5 4 32. ,2.8, , ,1.3 2 4 3 46. The table shows the changes from the average water level of a pond over several weeks. Order the numbers from least to greatest. Week 1 2 3 4 Change 7 5 5 1 11 Directions: Add. Write the fractions in simplestform. 7. 9 2 14 7 15. x+y 1 10. -3.1+(-0.35) Directions: Evaluate the expression when x -1.45 1 7 and y . 3 4 17. x y 18. Your bank account balance is -$20.85. You deposit $15.50. What is your new balance? 3 1 19. You eat of a pack of hot dogs. Your friend eats of the pack of hot dogs. What 10 5 fraction of the pack of hot dogs do you and your friend eat? Directions: Add. Write fractions in simplest form. 2 1 1 22. 10.9+(-15.6)+2.1 21. 5 3 7 3 4 3 91 200