Percent Increase and Decrease Problems

Find each percent decrease. Round to the nearest percent.
From $80 to $64 

• 35%

• 10%

• 20%

• 25%

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter?

• 35%

• 25%

• 30%

• 20%

The number of people signed up for a bus trip increased from 32 to 45. What is the percent increase? Round to the nearest percent.

• 52%

• 41%

• 42%

• 45%

A pair of shoes was marked down 25% from its original price of $80. What is the new price?

• $60

• $70

• $65

• $55

Does this question represent a percent INCREASE or a percent DECREASE?

• Increase

• Decrease

If a population of 5000 increases by 10% in a year, what will be the population after one year?

• 5500

• 6000

• 5050

• 6500

A population of 5000 increases by 10% in a year. What is the new population?

• 5500

• 6000

• 500

• 4500

A population of 500 increases by 10% in a year. What is the new population?

• 550

• 600

• 510

• 500

A store sold 150 items last month and 180 items this month. What is the percentage increase in sales?

• 20%

• 15%

• 25%

• 30%

If a shirt originally costs $50 and is on sale for 20% off, what is the sale price?

• $40

• $45

• $10

• $35