Real-Life One-Step Inequalities: Solve and Graph

1. Sarah has $50. She wants to buy some books that cost $8 each. Write and solve an inequality to find out how many books she can buy.

• 7

• 8

• 6

• 5

2. A school is planning a field trip and needs at least 30 students to sign up. If 12 students have already signed up, write and solve an inequality to find out how many more students need to sign up.

• 20

• 25

• 18

• 15

3. Tom is saving money to buy a new video game that costs $60. If he currently has $25, write and solve an inequality to determine how much more money he needs to save.

• Tom needs to save less than $35 more.

• Tom needs to save $50 more.

• Tom needs to save more than $40 more.

• Tom needs to save exactly $35 more.

4. A recipe requires at least 2 cups of sugar. If you already have 1.5 cups, write and solve an inequality to find out how much more sugar you need to buy.

• 3 cups

• 2.5 cups

• 1 cup

• 0.5 cups

5. A concert hall has a seating capacity of 200. If 150 tickets have been sold, write and solve an inequality to determine how many more tickets can be sold without exceeding capacity.

• 25

• 75

• 50

• 100

6. Lisa wants to run at least 5 miles this week. If she has already run 2 miles, write and solve an inequality to find out how many more miles she needs to run.

• Lisa needs to run at least 4 more miles.

• Lisa needs to run at least 3 more miles.

• Lisa needs to run at least 2 more miles.

• Lisa has already run enough miles this week.

7. A car rental company charges $30 per day. If you have a budget of $150, write and solve an inequality to find out how many days you can rent a car.

• 7

• 3

• 5

• 10

8. A gardener needs to plant at least 100 flowers. If he has already planted 45, write and solve an inequality to find out how many more flowers he needs to plant.

• 80

• 55

• 70

• 60

9. A store is having a sale where you can buy items for $15 each. If you want to spend no more than $75, write and solve an inequality to find out how many items you can buy.

• 4

• 5

• 3

• 6

10. A student needs to score at least 70% on a test to pass. If the test has 50 questions, write and solve an inequality to find out how many questions the student needs to answer correctly to pass.

• 40

• 35

• 50

• 30