Welcome to **AMBiPi (Amans Maths Blogs)**. In this article, you will get * SAT 2022 Practice | Linear Function Word Problems | SAT Online Tutor AMBiPi*.

### SAT 2022 Math Multiple Choice Practice Questions

#### Linear Function Word Problems Multiple Choice Questions with Answer Keys

**SAT Math Practice Question No 1:**

Vendors at a craft fair pay $45 to rent a table for the day. Benjamin rents a table at the craft fair and sells 8 ounce jars of jam for $7.95 per jar. If it costs Benjamin $2.75 to make each container of jam, which of the following equations best models his profit, p, from one day at the craft fair if he sells n jars of jam?

**Option A** : p = 5.20n

**Option B** : p = 7.95n

**Option C** : p = 5.20n – 45

**Option D** : p = 7.95n – 45

**Show/Hide Answer Key**

**Option C : p = 5.20n – 45**

**SAT Math Practice Question No 2:**

John manufactures household furniture. His start-up costs, including tools, plans, and advertising, total $5000. Labor and materials for each piece of furniture total $350, and his production costs are the sum of his start-up costs plus the cost of labor and materials. If John makes f pieces of furniture, what will be his production costs, c, in dollars??

**Option A** : f = 350c + 5000

**Option B** : c = 350f + 5000

**Option C** : f = 5000c + 350

**Option D** : c = 5000f + 5000

**Show/Hide Answer Key**

**Option B : c = 350f + 5000**

**SAT Math Practice Question No 3:**

The number of problems assigned as homework by a savvy math professor is a function of the length of the class on a particular day, which is either 45 minutes, 90 minutes, or 135 minutes. He first multiplies the number of minutes by 4 and then divides that number by 9. Finally, he subtracts 12 from that amount. Which of the following functions best represents the number of math problems the professor assigns depending on the length of the class, t, in minutes?

**Option A** : f(t) = 94t – 12

**Option B** : f(t) = 94(t – 12)

**Option C** : f(t) = 12 – 94t

**Option D** : f(t) = 12 + 94t

**Show/Hide Answer Key**

**Option A : f(t) = 94t – 12**

**SAT Math Practice Question No 4:**

Imani’s grandmother’s house is 5 miles west of her own house down Main Street. While at her grandmother’s, Imani decides to ride her bike farther west down Main Street at 10 miles per hour. Which equation best describes the distance, d, in miles, Imani is from home after t hours?

**Option A** : d = 5 + 10t

**Option B** : d = 5 – 10t

**Option C** : d = 5t + 10

**Option D** : d = 5t – 10

**Show/Hide Answer Key**

**Option A : d = 5 + 10t**

**SAT Math Practice Question No 5:**

Hiroto spends $68 on e-books and paperback books combined. Each e-book he buys costs $5, and each paperback book he buys costs $12. If Hiroto buys x e-books and y paperback books, which of the following equations best models the situation?

**Option A** : 5x + 12y = 68

**Option B** : 12x + 5y = 68

**Option C** : 17(x + y) = 68

**Option D** : 17xy = 68

**Show/Hide Answer Key**

**Option A : 5x + 12y = 68**

**SAT Math Practice Question No 6:**

A construction company’s fees include a flat daily charge to come to a work site, in addition to a constant hourly rate. Any fractional hours are charged at that fraction of the hourly rate. Additionally, if a job takes less than 10 hours to complete, it is completed in one day. According to these rules, a 3.5 hour job would cost $250 and an 8 hour job would cost $475. If the construction company completes a job in one day, which of the following functions best models the cost, c, in dollars, for an h hour job?

**Option A** : c(h) = 50h

**Option B** : c(h) = 60h

**Option C** : c(h) = 50h + 75

**Option D** : c(h) = 60h + 10

**Show/Hide Answer Key**

**Option C : c(h) = 50h + 75**

**SAT Math Practice Question No 7:**

From 2005 to 2013, the population of Belize has been increasing by approximately 7,500 people per year. The population of Belize in 2010 was 308,595. If t stands for years since 2005, which of the following functions best models the population, p, of Belize during this time period?

**Option A** : p(t) = 271095 + 7500t

**Option B** : p(t) = 308595 + 7500t

**Option C** : p(t) = 346095 + 7500t

**Option D** : p(t) = -14728905 + 7500t

**Show/Hide Answer Key**

**Option A : p(t) = 271095 + 7500t**

**SAT Math Practice Question No 8:**

In a political science class, test scores were determined to be 20 times the number of hours, h, the student studied plus 3. Which of the following functions best describes a student’s test score depending on the number of hours, h, that the student studied?

**Option A** : f(h) = 3h + 20

**Option B** : f(h) = 20h

**Option C** : f(h) = 60h

**Option D** : f(h) = 20h + 3

**Show/Hide Answer Key**

**Option D : f(h) = 20h + 3**

**SAT Math Practice Question No 9:**

A 300-room hotel collects $75 per occupied room and does not collect any money for vacant rooms. Which of the following functions best represents how many dollars, d, the hotel generates given the number of vacant rooms in the hotel, v?

**Option A** : d = 75(300 – v)

**Option B** : d = 75(300 + v)

**Option C** : d = 300(75 – v)

**Option D** : d = 300(75 – v)

**Show/Hide Answer Key**

**Option A : d = 75(300 – v)**

**SAT Math Practice Question No 10:**

Dalia makes a cranberry apple punch that contains 20% real juice by mixing x gallons of a cranberry drink with y gallons of an apple drink. The cranberry drink contains 40% real juice and the apple drink contains 10% real juice. Which of the following equations represents the relationship between x and y?

**Option A** : 0.4x + 0.1y = 20

**Option B** : 0.4x + 0.1y = x + y

**Option C** : 0.20(x + y) = x + y

**Option D** : 0.2(x + y) = 0.4x + 0.1y

**Show/Hide Answer Key**

**Option D: 0.2(x + y) = 0.4x + 0.1y**

**SAT Math Practice Question No 11:**

Gary learned that the value of his car depreciates by 15% per year. Which of the following functions best describes the value of his car the year after the car is worth m dollars?

**Option A** : f(m) = 0.15m

**Option B** : f(m) = 0.85m

**Option C** : f(m) = 1 – 0.15m

**Option D** : f(m) = 1 – 0.85m

**Show/Hide Answer Key**

**Option B : f(m) = 0.85m**

**SAT Math Practice Question No 12:**

Javier has a cell phone plan that allows him to use up to 4 gigabyte (GB) of data per month. Streaming videos is the only action he does on his phone which uses up this data. Each time he streams a video, the amount of gigabytes of his phone’s data plan decreases. Specifically, his cell phone company estimates that approximately 0.12 GB of data are used for every 30minutes of video streaming. If Javier has spent m minutes this month streaming videos, which of the following

best approximates the amount of data, d, he has remaining on his plan?

**Option A** : d = 4 – 0.12m

**Option B** : d = 4 + 0.12m

**Option C** : d = 4 – 0.004m

**Option D** : d = 4 + 0.004m

**Show/Hide Answer Key**

**Option C : d = 4 – 0.004m**

**SAT Math Practice Question No 13:**

Li Jing has already read 1/3 of her 384 page book. She figures that she reads at a constant rate and can read about 45 pages in 11 hour. If m is the amount of time, in minutes, that Li Jing has spent reading the final 2/3 of the book, which of the following best approximates the number of pages, p, that she has left?

**Option A** : p = 128 – 45m

**Option B** : p = 256 – 43m

**Option C** : p = 128 – 43m

**Option D** : p = 256 – 45m

**Show/Hide Answer Key**

**Option D : p = 256 – 45m**

**SAT Math Practice Question No 14:**

Between 2008 and 2012, the revenue obtained from digital music album downloads, r, in millions of dollars, in the United States increased by approximately 132 million dollars per year. In 2010, the digital music revenue in the U.S. was about 872 million dollars. If t represents years since 2008, which of the following best models the situation for 0 ≤ t ≤ 4?

**Option A** : r(t) = 132t

**Option B** : r(t) = 132t + 608

**Option C** : r(t) = 132t + 872

**Option D** : r(t) = 132t + 1136

**Show/Hide Answer Key**

**Option B : r(t) = 132t + 608**

**SAT Math Practice Question No 15:**

David’s vehicle has a 21 gallon gas tank. If he drives only on highways, he can go about 525miles on one tank of gas. If he drives only in the city, he can go about 378 miles on one tank of gas. David drove 455 miles on his last tank of gas. If x is the amount of gallons used on highway driving and y is the gallons used on city driving, which of the following best models the relationship between x and y in this situation?

**Option A** : 25x + 18y = 21

**Option B** : 25x + 18y = 455

**Option C** : 525x + 378y = 21

**Option D** : 525x + 378y = 455

**Show/Hide Answer Key**

**Option B : 25x + 18y = 455**

### SAT 2022 Math Grid-in Practice Questions

#### Linear Function Word Problems Grid-in Choice Questions with Answer Keys

**SAT Math Practice Question No 16:**

Mikayla is a waitress who makes a guaranteed $50 per day in addition to tips of 20% of all her customer receipts, t. She works six days per week. Write the function which represents the amount of money that Mikayla makes in one week?

**Show/Hide Answer Key**

**Correct Answer : f(t) = 300 + 0.2t**

**SAT Math Practice Question No 17:**

Maria burns about 600 calories per hour jogging and about 450 calories per hour biking. If Maria spends x hours per day biking, and 4/5 as much time jogging, write the function that represents the amount of calories, C, that Maria burns in one day from jogging and biking?

**Show/Hide Answer Key**

**Correct Answer : c(x) = 840x**

**SAT Math Practice Question No 18:**

Mikayla walked nine miles in three hours. She walked f miles during the first hour and ! ! of the remaining distance during the second hour. Write the function that represents the number of miles in the third hour, t, she had to walk in terms of the number of miles she walked in the first hour, f ?

**Show/Hide Answer Key**

**Correct Answer : t = 3 – f/3**

**SAT Math Question No 19:**

The gas tank in Ms. Brown’s car holds a total of 15 gallons. At any given time, how many gallons, g, will Ms. Brown have to pump into her car to fill her tank given the fraction of the tank, f, already filled?

**Show/Hide Answer Key**

**Correct Answer : g = 15 – 15f**

**SAT Math Practice Test Question No 20:**

A roller coaster is currently traveling at a speed of 49 miles per hour (mph). The coaster’s speed will increase at a constant rate of 17mph every 2 seconds until the coaster reaches its top speed 5 seconds from now. If t ≤ 5, which function best represents the roller coaster’s speed, in miles per hour, t seconds from now?

**Show/Hide Answer Key**

**Correct Answer : f(t) = 49 + 8.5t**