Quizziz 2: Percent Change

What is 25% of 80?

• 30

• 40

• 10

• 20

Find the percent increase if a price increases from $50 to $60.

• 20%

• 10%

• 15%

• 25%

If the original price of a shirt was $40 and it is now on sale for $32, what is the percent decrease?

• 10%

• 15%

• 25%

• 20%

Calculate the percent error if the measured value is 8.5 cm and the actual value is 9 cm.

• 5.56%

• 6.67%

• 10%

• 3.33%

A store originally sold a shirt for $30. If the price is increased by 20%, what is the new selling price?

• $32

• $24

• $36

• $40

The population of a city was 500,000 in 2010 and increased to 600,000 in 2020. What is the percent increase in population?

• 10%

• 15%

• 20%

• 25%

A car was originally priced at $25,000. If the price is reduced by 15%, what is the new price?

• $22,500

• $21,250

• $23,750

• $20,000

The measured weight of an object is 150 grams, but the actual weight is 160 grams. Calculate the percent error.

• 6.25%

• 15%

• 10%

• 5%

If a shirt is on sale for 30% off the original price of $50, what is the sale price?

• $20

• $35

• $25

• $15

The price of a book increased from $20 to $25. What is the percent increase?

• 20

• 50

• 25

• 30