Linear Inequalities in Real Life Maths

1. If a store sells pencils for 200 IDR each, how many pencils can you buy with at most 1,000 IDR? Write the inequality and solve it.

• 5

• 10

• 3

• 7

2. A car can travel a maximum of 300 kilometers on a full tank. If the car has already traveled 150 kilometers, how much farther can it go? Formulate the inequality and solve it.

• 200 kilometers

• 150 kilometers

• 50 kilometers

• 100 kilometers

3. A student needs to score at least 75% on a test to pass. If the test has 40 questions, how many questions must the student answer correctly? Write and solve the inequality.

• 40

• 35

• 25

• 30

4. A recipe requires at least 2 cups of sugar. If you have 5 cups, how many cups can you use without exceeding the requirement? Write the inequality and solve it.

• 2 cups

• 5 cups

• 4 cups

• 3 cups

5. A gym charges a monthly fee of 300,000 IDR. If you want to spend no more than 1,200,000 IDR in a year, how many months can you afford to go? Write and solve the inequality.

• 8 months

• 6 months

• 2 months

• 4 months

6. A farmer has at most 100 chickens. If he currently has 45 chickens, how many more can he buy? Write the inequality and solve it.

• 50

• 55

• 60

• 70

7. A book costs 150,000 IDR. If you want to buy at least 5 books, how much money do you need? Write the inequality and solve it.

• 300000 IDR

• 1000000 IDR

• 500000 IDR

• 750000 IDR

8. A student can spend no more than 500,000 IDR on school supplies. If they have already spent 200,000 IDR, how much can they still spend? Write and solve the inequality.

• 500,000 IDR

• 400,000 IDR

• 300,000 IDR

• 250,000 IDR

9. A concert hall can hold a maximum of 1,500 people. If 1,200 tickets have been sold, how many more tickets can be sold? Write the inequality and solve it.

• 300

• 200

• 400

• 500

10. A recipe requires no more than 3 tablespoons of salt. If you have already added 1.5 tablespoons, how much more can you add? Write the inequality and solve it.

• 3.5 tablespoons

• 1.5 tablespoons

• 1 tablespoon

• 2 tablespoons