Real-Life Linear Functions: Writing Equations & Graphing

A car rental company charges a flat fee of $50 plus $0.20 per mile driven. Write the equation that represents the total cost (C) as a function of miles driven (m). How much would it cost to drive 150 miles?

• $100

• $80

• $60

• $120

A gym charges a monthly membership fee of $30 and an additional $5 for each class attended. Write the equation for the total cost (C) based on the number of classes (c) attended. If a member attends 8 classes, what is the total cost?

• $100

• $70

• $80

• $50

A phone company offers a plan that costs $40 per month plus $0.10 per text message sent. Write the equation for the total cost (C) based on the number of text messages (t) sent. If a customer sends 200 text messages, what is their total bill?

• $60

• $100

• $40

• $80

A delivery service charges a base fee of $15 plus $2 for each mile driven. Write the equation for the total delivery cost (C) based on the distance (d) in miles. If the delivery is 10 miles away, what will the total cost be?

• $50

• $40

• $35

• $25

A school is selling tickets for a play. Each ticket costs $12, and they expect to sell 100 tickets. Write the equation for the total revenue (R) based on the number of tickets sold (t). If they sell 80 tickets, what is the total revenue?

• 840

• 1080

• 720

• 960

A local farmer sells apples for $3 per pound. Write the equation for the total cost (C) based on the weight of apples (w) in pounds. If a customer buys 5 pounds of apples, how much do they pay?

• $10

• $20

• $5

• $15

A taxi company charges a flat rate of $10 plus $1.50 for each mile traveled. Write the equation for the total fare (F) based on the distance (d) in miles. If a passenger travels 12 miles, what is the total fare?

• $20.00

• $35.00

• $15.00

• $28.00

A subscription service charges $15 per month plus an additional $2 for each movie rented. Write the equation for the total cost (C) based on the number of movies rented (m). If a subscriber rents 5 movies, what is the total cost?

• $25

• $15

• $20

• $30

A bookstore sells notebooks for $5 each and pens for $2 each. Write the equation for the total cost (C) based on the number of notebooks (n) and pens (p) purchased. If a customer buys 3 notebooks and 4 pens, what is the total cost?

• 23

• 30

• 25

• 20

A concert venue charges $25 per ticket and expects to sell 200 tickets. Write the equation for the total revenue (R) based on the number of tickets sold (t). If they sell 150 tickets, what is the total revenue?

• 2500

• 3000

• 4500

• 3750