Percent of Change

Marianne bought a $30 slow cooker for $20. Find the percent of change and classify as a percent increase of decrease.

• 50% increase

• 33.3% increase

• 33.3% decrease

• 50% decrease

Carlos made $435 last week and $600 this week. Find the percent of change and classify as a percent increase or decrease.

• 72.5% increase

• 72.5% decrease

• 37.9% increase

• 37.9% decrease

Penelope spent $120 on groceries last week. This week she spent $105. Find the percent change and classify as a percent increase or decrease.

• 12.5% increase

• 12.5% decrease

• 14.3% increase

• 14.3% decrease

The cost of a gallon of gas changed from $2.15 to $2.68. Find the percent of change and classify as a percent increase or decrease.

• 93.3% increase

• 125% increase

• 24.7% increase

• 19.8% increase

Tami made 24 cupcakes yesterday and 14 cupcakes today. Find the percent of change and classify as a percent increase or decrease.

• 41.7% decrease

• 71.4% decrease

• 58.3% decrease

• 171% decrease

An item is priced at $14.85. If the sales tax is 7%, what does the item cost including sales tax?

• $15.89

• $30.74

• $25.25

• $1.04

A shirt originally cost $46.39, but it is on sale for $32.47. What is the percentage decrease of the price of the shirt? If necessary, round to the nearest percent.

• 30%

• 43%

• 24%

• 70%

Jessica is collecting aluminum cans during the summer for a recycling project. She collected 120 aluminum cans in June and 150 aluminum cans in July.

What is the percentage change of the number of cans she collected in June to the number of cans she collected in July?

• a 25% decrease

• a 20% increase

• a 20% decrease

• a 25% increase

A toaster oven usually sells for $68. If the toaster oven is 30% off, and sales tax is 7%, what is the total price of the toaster oven, including tax?

• $61.43

• $50.93

• $72.76

• $47.60

In February, Alec had 1,587 visitors to his website. In March, he had 1,344 visitors to his website. What is the percentage decrease of the number of visitors to Alec's website from February to March? If necessary, round to the nearest tenth of a percent.

• 17%

• 15.3%

• 84.7%

• 18.1%