Solving and Graphing Multistep Inequalities in Real Life

A store sells notebooks for $2 each. If you want to buy at least 5 notebooks, how much money do you need? Write and solve the inequality. Graph your solution on a number line.

• $20

• You need at least $10.

• $15

• $5

Maria has $50 to spend on books. Each book costs $8. Write an inequality to represent how many books she can buy and solve it. Show your solution on a number line.

• Maria can buy at most 5 books.

• Maria can buy at most 7 books.

• Maria can buy at most 8 books.

• Maria can buy at most 6 books.

A class trip costs $120. If each student contributes $15, how many students need to contribute to cover the cost? Write and solve the inequality, then graph the solution.

• At least 8 students need to contribute.

• At least 5 students need to contribute.

• At least 12 students need to contribute.

• At least 10 students need to contribute.

Tom is saving money to buy a video game that costs $60. If he saves $5 each week, how many weeks will it take him to save enough? Write the inequality, solve it, and graph the solution.

• 20 weeks

• 12 weeks

• 15 weeks

• 10 weeks

A gym membership costs $30 per month. If you want to spend no more than $150 in 6 months, how many months can you afford the membership? Write and solve the inequality, then graph your solution.

• 4 months

• 6 months

• 3 months

• 5 months

A concert ticket costs $45. If you have $200, how many tickets can you buy? Write the inequality, solve it, and graph the solution on a number line.

• 6

• 4

• 5

• 3

A recipe requires at least 3 cups of flour. If you have 1 cup, how many more cups do you need to buy? Write and solve the inequality, then graph your solution.

• 2 cups

• 4 cups

• 1 cup

• 3 cups

You want to buy a new phone that costs $300. If you save $50 a month, how many months will it take to save enough? Write the inequality, solve it, and graph the solution.

• It will take 10 months to save enough.

• It will take 8 months to save enough.

• It will take 4 months to save enough.

• It will take at least 6 months to save enough.

A car rental company charges $25 per day. If you want to rent a car for no more than $200, how many days can you rent it? Write and solve the inequality, then graph your solution.

• 5 days

• 6 days

• 8 days

• 10 days

A school fundraiser requires at least $500 to be successful. If each student raises $20, how many students need to participate? Write the inequality, solve it, and graph the solution.

• At least 25 students need to participate.

• At least 30 students need to participate.

• At least 20 students need to participate.

• At least 15 students need to participate.