Percent Change

Sonya’s heart rate was 76 beats per minute.

She ran a mile on her treadmill and checked

her heart rate again. This time, her heart rate

was 133 beats per minute. What was the

percent increase in Sonya’s heart rate?

• 43%

• 75%

• 57%

• 13%

Isaac is growing a tomato plant. When he

measured his plant in June, it was 4.5 inches

tall. By July, it was 11.25 inches tall. What was

the percent increase in the height of Isaac’s

tomato plant from June to July?

• 150%

• 60%

• 67.5%

• 6.75%

There were 425 people at the Lincoln

County High School football game last

week. This week, 357 people attended

the game. What was the percent decrease

in attendance?

• 68%

• 54%

• 19%

• 16%

Last year, a taco truck ordered 3,000

pounds of cheese. This year, they ordered

2,100 pounds of cheese. What was the

percent decrease in the pounds of cheese

the taco truck ordered?

1.) Carlos took a test and made a 50. On the next test, he made a 75. What was the percent of change between the two test scores?

• 50% increase

• 50% decrease

• 25% increase

• 25% decrease

2.) Bob got a raise, and his hourly wage increased from $12 to $15. What is the percent of change?

• 25% decrease

• 25% increase

• 20% decrease

• 20% increase

5.) In a class, the number of students has been decreased from 27 to 18. Find the percent of change.

• 33.33% decrease

• 33.33% increase

• 50% decrease

• 50% increase

6.) The price of gasoline dropped from $2.40 to $2.24 in one month. By what percent did the gas price change ?

• 6.67% increase

• 6.67% decrease

• 7.14% increase

• 7.14% decrease

7.) The World Future Society predicts that by the year 2025, airplanes will be able to carry 1400 passengers. Today’s biggest jets can carry 600 passengers. What will be the percent of change in the number of airplane passengers?

• 57.14% increase

• 57.14% decrease

• 133.33% increase

• 133.33% decrease

8.) As soon as a new car is purchased and driven away from the dealership, it begins to lose its value, or depreciate. Alonso bought a 2004 Plymouth Neon for $9559. One year later, the value of the car was $8500. What was the percent of change of the value of the car?

• 11.08% decrease

• 11.08% increase

• 12.46% decrease

• 12.46% increase