Define a variable and write an inequality for each situation. Then solve.
| 1. | Three times a number increased by 4 is at least 16. What is the number? | 2. | Five less than a number is at most 11. What is the number? |
| 3. | The sum of a number and 7 is less than 19. What is the number? | 4. | Twice a number decreased by 9 is greater than 11. What is the number? |
| 5. | The sum of two consecutive positive integers in less than 19. What are the integers? | 6. | The sum of two consecutive odd integers is at most 16. What are the integers? |
| 7. | Your test scores are 75, 93, 82 and 85. What is the lowest score you can obtain on the next test to achieve an average of at least 86? | 8. | Juan spent at most $2.50 on apples and oranges. He bought 5 apples at $0.36 each. What was the most he spent on oranges? |
| 9. | Three times a number increased twice the number is greater than 125. What is the number? | 10. | Five times a number decreased by 7 times the same number is at most 20. What is the number? |
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