Understanding Percent Change and Real-World Applications

A store is having a sale where all items are 20% off. If a shirt originally costs $30, what is the sale price of the shirt?

• $20

• $25

• $28

• $24

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

• 15%

• 30%

• 20%

• 25%

A student scored 75 out of 100 on a test. What percentage did the student score?

• 90%

• 75%

• 80%

• 70%

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

• 25%

• 15%

• 30%

• 20%

A restaurant bill was $50, and a tip of 15% was added. How much was the tip?

• $10.00

• $7.50

• $12.50

• $5.00

If a car's value decreased from $20,000 to $15,000, what is the percentage decrease in the car's value?

• 20%

• 30%

• 15%

• 25%

A book was marked down from $25 to $18. What is the percentage decrease in the price of the book?

• 10%

• 15%

• 20%

• 28%

A school had 400 students last year and now has 440 students. What is the percentage increase in the number of students?

• 20%

• 15%

• 5%

• 10%

A jacket costs $80, and it is on sale for 25% off. What is the discount amount?

• $10

• $20

• $25

• $15

If a person saves $200 and that amount represents 10% of their total savings, what is the total amount of their savings?

• 2000

• 1500

• 2500

• 3000