Percent of Increase

On July 1st, 2003, the United States had an estimated 290,809,777 residents compared to on April 1st 2000 the estimate was 281,423,231. What was the percent of increase in population?

• 9,386,546

• About 97%

• About 3.5%

• About 1%

The median weekly salary of a person with a high school degree in the United States is $718 compared to $1,451 for someone with a Master’s degree from college. What is the percent increase for someone’s salary with a Master’s degree compared to a high school degree?

• About 1%

• About 102%

• About 49%

• 733%

To make a profit, stores sell items for more than they paid. The increase in price is called the markup. Suppose the store purchases basketballs for $25 each. Find the markup amount if the basketballs are sold for 28% over the price paid for them.

• $25

• $32

• $0.90

• $7

Your friend Alex had a dog named Spot that used to weigh 150 pounds. Alex didn’t buy enough dog food one week and started to feed the dog people’s food, such as lasagna. Spot gained 12% of his body weight that week. How much does Spot weigh now?

• 162 pounds

• 1,250 pounds

• 18 pounds

• 168 pounds

The price of cable TV has risen over the past 20 years. What is the approximate percent increase from 1990 to 2010?

• 300%

• 280%

• 250%

• 200%

The price of cable TV has risen over the past 20 years. What is the approximate percent increase from 1990 to 2010?

• 300%

• 280%

• 250%

• 200%

A percent change describing an increase in a quantity.

• percent of increase

• percent of decrease

• formula

• ratio

Last week, the price of an online audio book was $11.50. This week, the price is $13.25. What is the percent increase of the audio book from last week to this week, rounded to the nearest tenths place?

• 12.4%

• 13.2%

• 15.2%

• 18.8%

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

• 20%

• 15%

• 25%

• 30%

Frankie calculated that she would need 9.5 yards of wallpaper to decorate her room. The wallpaper she chose had a large pattern, so instead she needed 13 yards of that paper. What is the percent of increase rounded to the nearest percent, in the amount of wallpaper she needs?

• 3.5%

• 27%

• 37%

• 73%