NAME: Inequality Study Guide Sections 3.4-3.5 Solve the inequality and graph its solution. 1. u7 5 3. x 1 3 5. 4z 16 2. 5 p2 4. 12 3t 6. d 1 5 Write the verbal sentence as an inequality. Then solve the inequality. 7. Three times a number is at most 18. 8. Nine times a number is greater than 36. 9. A number divided by -2 is less than 10. 10. A number divided by 5 is at least 20. NAME: Write an inequality for the following word problems. 11. Helium is the element with the lowest melting point, −272.2℃. Write an inequality that describes the melting point 𝑝 (in degrees Celsius) of any other element. 12. Megan is ordering tacos for her office staff. They cost $2.25 each, including tax, and there is a $6 delivery charge. How many tacos can she buy if she has $42? 13. You need to complete at least 300 math problems in 4 days for a homework assignment. How many exercises should you complete each day? 14. An admission pass for an art museum is $4.50. Write and solve an inequality to find the number of passes 𝑝 that must be sold for the museum to make at least $7200. 15. If you are at-bat 250 times this baseball season, how many hits must you get to have a batting average of at least 0.452? 16. You earn $6 per hour at your after-school job. How many hours must you work this week to earn at least $72?