7th Grade Proportions: Percent Increase & Decrease Quiz

A store is having a sale where all items are 20% off. If a jacket originally costs $50, what is the sale price of the jacket?

• $30

• $45

• $25

• $40

A population of a town increased from 2,000 to 2,400 people. What is the percent increase in the population?

• 10%

• 25%

• 15%

• 20%

A car's value decreased from $15,000 to $12,000 after one year. What is the percent decrease in the car's value?

• 30%

• 20%

• 15%

• 25%

A student scored 75% on a test with 40 questions. How many questions did the student answer correctly?

• 30

• 40

• 25

• 35

A bike shop sold 30 bikes last month. This month, they sold 45 bikes. What is the percent increase in bike sales?

• 75%

• 50%

• 100%

• 25%

A shirt that costs $30 is marked up by 15%. What is the new price of the shirt after the markup?

• $34.50

• $36.00

• $32.00

• $28.50

A restaurant's revenue decreased from $100,000 to $85,000. What is the percent decrease in revenue?

• 20%

• 25%

• 15%

• 10%

A book originally priced at $25 is now selling for $18. What is the percent decrease in the price of the book?

• 15%

• 20%

• 28%

• 35%

A school had 500 students last year and now has 550 students. What is the percent increase in the number of students?

• 10%

• 5%

• 15%

• 20%

A video game was priced at $60 but is now on sale for $45. What is the percent decrease in the price of the video game?

• 20%

• 15%

• 25%

• 30%