Mastering Inequalities: Solve Real-World Problems

A school is planning a field trip and needs at least 30 students to sign up. If 5 students have already signed up, write an inequality to represent the number of additional students needed. How many more students must sign up?

• 25

• 10

• 15

• 20

Maria has $50 to spend on books. If each book costs $8, write an inequality to show how many books she can buy. What is the maximum number of books she can purchase?

• 5

• 6

• 8

• 7

A concert hall can hold a maximum of 500 people. If 200 tickets have already been sold, write an inequality to represent the number of additional tickets that can be sold. How many more tickets can be sold?

• 400

• 300

• 100

• 250

Tom and Jerry are collecting cans for a food drive. Tom has collected 15 cans, and together they want to collect at least 50 cans. Write an inequality to represent how many cans Jerry needs to collect. How many cans must Jerry collect?

• Jerry must collect at least 35 cans.

• Jerry must collect at least 50 cans.

• Jerry must collect at least 40 cans.

• Jerry must collect at least 25 cans.

A gym has a limit of 100 members. If there are currently 75 members, write an inequality to express how many new members can join. What is the maximum number of new members allowed?

• 50

• 10

• 25

• 30

A movie theater has 200 seats. If 150 tickets have been sold, write an inequality to determine how many more tickets can be sold. What is the maximum number of additional tickets that can be sold?

• 50

• 30

• 75

• 100

Lisa is saving money for a new bike that costs $300. If she currently has $120, write an inequality to represent how much more money she needs to save. How much more does she need?

• 180

• 150

• 220

• 200

A bakery can produce a maximum of 200 loaves of bread in a day. If they have already baked 120 loaves, write an inequality to show how many more loaves they can bake. How many more loaves can they produce?

• 80

• 100

• 60

• 40

A charity event aims to raise at least $1,000. If they have already raised $600, write an inequality to represent how much more money they need to raise. How much more do they need to raise?

• They need to raise at least $300 more.

• They need to raise at least $400 more.

• They need to raise at least $500 more.

• They need to raise at least $200 more.