Solving Real-World Inequalities: Translate & Isolate

A store sells notebooks for $3 each. If you want to buy at least 5 notebooks, how much money do you need? Write an inequality to represent this situation and solve it.

• 15 dollars

• 25 dollars

• 20 dollars

• 10 dollars

Maria has $50 to spend on books. Each book costs $8. Write an inequality to show how many books she can buy and solve it to find the maximum number of books.

• 6

• 8

• 7

• 5

A gym charges a monthly fee of $30 plus $5 for each class attended. If you want to spend no more than $100 in a month, how many classes can you attend? Write and solve the inequality.

• 14

• 10

• 12

• 16

Tom is saving money to buy a video game that costs $60. He saves $10 each week. Write an inequality to represent how many weeks it will take him to save enough money and solve it.

• w >= 6

• w < 6

• w <= 6

• w > 6

A concert ticket costs $45. If you want to buy tickets for you and 3 friends, but you only have $200, write an inequality to find out how many tickets you can buy and solve it.

• 2

• 5

• 3

• 4

A farmer has 120 apples and wants to pack them into boxes that hold 8 apples each. Write an inequality to determine how many boxes he can fill and solve it.

• 15

• 10

• 20

• 12

A school is planning a field trip and has a budget of $500. Each student must pay $15. Write an inequality to find out how many students can go on the trip and solve it.

• 33

• 40

• 50

• 25

Lily wants to buy a new dress that costs $75. She has $20 saved and can save $10 each week. Write an inequality to find out how many weeks she needs to save to buy the dress and solve it.

• Lily needs to save for at least 4 weeks.

• Lily needs to save for at least 8 weeks.

• Lily needs to save for at least 10 weeks.

• Lily needs to save for at least 6 weeks.

A car rental company charges a flat fee of $50 plus $0.20 per mile driven. If you want to spend no more than $100, how many miles can you drive? Write and solve the inequality.

• 300 miles

• 150 miles

• 200 miles

• 250 miles

A pizza place offers a deal where you can buy pizzas for $12 each. If you want to spend less than $60, write an inequality to find out how many pizzas you can buy and solve it.

• 2

• 5

• 3

• 4