Jamal runs 2 miles every day. The time he spends running changes based on how many miles he decides to run.
Independent variable: number of miles Jamal runs
Dependent variable: time Jamal spends running
A smoothie shop uses 4 strawberries in each smoothie.
Independent variable: number of smoothies made
Dependent variable: total number of strawberries used
A gamer earns 15 coins for each level completed.
Independent variable: number of levels completed
Dependent variable: total coins earned
Noah reads 20 pages each night. The total number of pages he has read depends on how many nights he reads.
Independent variable: number of nights
Dependent variable: total pages Noah has read
A bus stops at 6 houses on each street. The total number of houses where it stops depends on how many streets it travels.
Independent variable: number of streets traveled
Dependent variable: total number of houses where it stops
A basketball player scores 3 points for every shot made from behind the three‑point line. The total number of points depends on how many shots she makes.
Independent variable: number of three‑point shots made
Dependent variable: total points scored from three‑pointers
A recipe bakes for 10 minutes per batch of cookies.
Independent variable: number of batches of cookies
Dependent variable: total baking time
A phone plan charges $0.10 for each text message sent. The total cost of texts depends on how many messages are sent.
Independent variable: number of text messages sent
Dependent variable: total cost of text messages
A teacher gives 5 minutes of recess for each completed classroom job. The total extra recess time depends on how many jobs the class completes.
Independent variable: number of classroom jobs completed
Dependent variable: total extra recess time
A fountain fills 4 liters of water into a tank every minute. The total amount of water in the tank depends on how many minutes the fountain runs.
Independent variable: number of minutes the fountain runs
Dependent variable: total amount of water in the tank
A soccer team sells 50 tickets for each home game.
Independent variable: number of home games
Dependent variable: total tickets sold
A cafeteria charges $6 for each lunch tray.
Independent variable: number of lunch trays
Dependent variable: total cost
Alexis earns $9 for every hour she babysits. The total money she earns depends on the number of hours she works.
Independent variable: number of hours babysitting
Dependent variable: total money Alexis earns
A group solves 3 math problems every 10 minutes. The total number of problems solved depends on how many 10‑minute intervals they work.
Independent variable: number of 10‑minute intervals worked
Dependent variable: total number of problems solved
A car travels at a constant speed of 60 miles per hour. The distance traveled depends on the number of hours driven.
Independent variable: number of hours driven
Dependent variable: distance traveled
A swimmer completes 4 laps every 5 minutes.
Independent variable: number of 5‑minute intervals
Dependent variable: total number of laps swum
A bakery uses 3 cups of flour for each cake.
Independent variable: number of cakes baked
Dependent variable: total cups of flour used
A store sells notebooks for $2 each. The total cost depends on how many notebooks a student buys.
Independent variable: number of notebooks
Dependent variable: total cost of notebooks
A student writes 5 vocabulary words on each flashcard. The total number of words studied depends on how many flashcards the student makes.
Independent variable: number of flashcards made
Dependent variable: total number of vocabulary words
A plant grows 2 centimeters each week. The height of the plant depends on how many weeks it has been growing.
Independent variable: number of weeks
Dependent variable: height of the plant
A cyclist rides 3 miles every day.
Independent variable: number of days he rides
Dependent variable: total distance ridden
Juice stand pours 250 milliliters of juice into each cup.
Independent variable: number of cups sold
Dependent variable: total amount of juice served
A charity gets $5 in donations from each bracelet it sells. The total money raised depends on how many bracelets are sold.
Independent variable: number of bracelets sold
Dependent variable: total money raised
A science class records the temperature of a beaker every minute. The temperature reading depends on the amount of time that has passed.
Independent variable: time (minutes passed)
Dependent variable: temperature of the beaker
A music app downloads 4 songs every minute. The total number of songs downloaded depends on how many minutes the app is downloading.
Independent variable: number of minutes downloading
Dependent variable: total number of songs downloaded