Mastering Percent Increase and Decrease Problems

A store sells a shirt for $40. If the price increases by 25%, what will be the new price of the shirt?

• $45

• $60

• $30

• $50

A bike originally costs $300. If it goes on sale for a 15% discount, how much will the bike cost after the discount?

• $240

• $300

• $270

• $255

A population of a town is 20,000. If the population increases by 10% over a year, what will be the new population?

• 20000

• 22000

• 18000

• 25000

A laptop was priced at $800 but is now $640. What is the percent decrease in the price of the laptop?

• 20%

• 25%

• 15%

• 30%

A car's value is $20,000. If it depreciates by 20% in one year, what will be its value after the depreciation?

• $15,000

• $14,000

• $18,000

• $16,000

A student scored 75 out of 100 on a test. If the score increases by 20%, what will be the new score?

• 85

• 90

• 70

• 95

A restaurant's revenue was $50,000 last year. If it increases by 30% this year, what will be the revenue this year?

• $60,000

• $55,000

• $65,000

• $70,000

A jacket was originally priced at $120. If it is now sold for $90, what is the percent decrease in the price of the jacket?

• 25%

• 20%

• 30%

• 15%

A book was $15 and is now $12. What is the percent decrease in the price of the book?

• 15%

• 10%

• 20%

• 25%

A gym had 200 members last year. If the membership increases by 25%, how many members will the gym have this year?

• 200

• 250

• 225

• 300