Non-Proportional Relationships: Word Problems for 7th Grade

A car rental company charges a flat fee of $50 plus $0.20 per mile driven. If a customer drives 100 miles, what is the total cost? Is this a proportional relationship?

• $70

• $60

• $90

• $80

A recipe requires 3 cups of flour to make 12 cookies. If you want to make 30 cookies, how many cups of flour do you need? Is this a proportional relationship?

• 5 cups of flour

• 2.5 cups of flour

• 7.5 cups of flour

• 10 cups of flour

A gym charges a monthly fee of $30 plus $10 for each class attended. If a member attends 5 classes in a month, what is the total cost? Identify if this is a proportional relationship.

• $100

• $80

• $50

• $70

A gardener plants 4 rows of flowers, with 6 flowers in each row. If the gardener decides to plant 3 more rows with 6 flowers each, how many flowers are there in total? Is this a proportional relationship?

• 36

• 48

• 30

• 42

A phone plan costs $25 per month plus $0.10 per text message. If a user sends 50 text messages in a month, what is the total cost? Determine if this is a proportional relationship.

• $25

• $35

• $30

• $50

A school organizes a field trip that costs $15 per student plus a $200 bus fee. If 30 students attend, what is the total cost? Is this a proportional relationship?

• $500, proportional relationship

• $650, not a proportional relationship

• $450, proportional relationship

• $800, not a proportional relationship

A factory produces 200 toys in 5 hours. If the factory increases production to 300 toys in 8 hours, how does this affect the rate of production? Is this a proportional relationship?

• The rate of production increases and it is a proportional relationship.

• The rate of production decreases but it is a proportional relationship.

• The rate of production decreases and it is not a proportional relationship.

• The rate of production remains the same and it is a proportional relationship.

A concert ticket costs $50, and there is an additional $10 fee for parking. If a group of 4 friends goes to the concert, what is the total cost? Identify if this is a proportional relationship.

• The total cost is $210.

• $250

• $200

• $150

A painter charges a flat fee of $100 for a job plus $15 per hour worked. If the painter works for 4 hours, what is the total charge? Is this a proportional relationship?

• $180

• $140

• $160

• $200

A subscription service charges $10 per month plus a one-time setup fee of $50. If a customer subscribes for 6 months, what is the total cost? Determine if this is a proportional relationship.

• 110

• $60

• $100

• $150