Mastering Percent Increase and Decrease in Real Life

A store is having a sale where all items are 20% off. If a shirt originally costs $30, how much will it cost after the discount?

• $27

• $30

• $24

• $20

A population of a town increased from 1,200 to 1,440 people. What is the percent increase in the population?

• 15%

• 25%

• 30%

• 20%

A bike was bought for $150 and later sold for $120. What is the percent decrease in the price of the bike?

• 30%

• 25%

• 15%

• 20%

A student scored 80% on a test with 50 questions. How many questions did the student answer correctly?

• 50

• 45

• 30

• 40

A video game originally costs $60. If it is now priced at $45, what is the percent decrease in the price?

• 25%

• 15%

• 30%

• 20%

A plant grew from 25 inches to 30 inches in height. What is the percent increase in the height of the plant?

• 20%

• 15%

• 25%

• 10%

A book was on sale for $12 after a 25% decrease in price. What was the original price of the book?

• 16

• $14

• $18

• $10

A car's value decreased from $20,000 to $15,000. What is the percent decrease in the car's value?

• 30%

• 15%

• 20%

• 25%

A restaurant's menu prices increased by 15%. If a meal originally cost $40, what is the new price of the meal?

• $38

• $42

• $46

• $50

A school had 400 students last year and now has 360 students. What is the percent decrease in the number of students?

• 5%

• 15%

• 10%

• 20%