Solving One-Step & Two-Step Inequalities in Real Life

A store sells notebooks for $3 each. If you want to buy at least 5 notebooks, what is the minimum amount of money you need? Solve the inequality: 3n ≥ 15.

• 12 dollars

• 10 dollars

• 20 dollars

• 15 dollars

Tags

CCSS.6.EE.B.8

Maria has $50 to spend on books. Each book costs $8. Write and solve the inequality to find out how many books she can buy: 8b ≤ 50.

• 4

• 6

• 10

• 8

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? Solve the inequality: 30 + 5c ≤ 100.

• 16

• 12

• 10

• 14

A concert ticket costs $45. If you want to buy tickets for you and your friends and spend no more than $200, how many friends can you invite? Solve the inequality: 45f ≤ 200.

• 2

• 4

• 5

• 3

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

• 6 weeks

• 8 weeks

• 10 weeks

• 4 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? Solve the inequality: 50 + 0.2m ≤ 100.

• 150 miles

• 200 miles

• 300 miles

• 250 miles

Tags

CCSS.7.EE.B.4B

A school is planning a field trip and has a budget of $500. Each student must pay $25. Write and solve the inequality to find out how many students can attend: 25s ≤ 500.

• 15

• 25

• 30

• 20

Lily wants to buy a new phone that costs $300. She has $50 saved and plans to save $20 each week. Write and solve the inequality to find out how many weeks it will take her to afford the phone: 50 + 20w ≥ 300.

• 20 weeks

• 10 weeks

• 15 weeks

• 13 weeks

A pizza place offers a deal where you can buy pizzas for $12 each. If you want to spend less than $100, how many pizzas can you buy? Solve the inequality: 12p < 100.

• 8

• 12

• 6

• 10

A farmer has a budget of $200 to buy seeds. Each packet of seeds costs $15. Write and solve the inequality to find out how many packets he can buy: 15p ≤ 200.

• 13

• 20

• 15

• 10